gambas programming basics
engineering notes question papers answers lab works 2 marks and 16 marks questions for all the departments can be found here *rar files will have the password as engineerportal.blogspot.in
Tuesday, July 31, 2012
CUPS - COMMON UNIX PRINTER SYSTEM INSTALLATION VIDEO :: OPEN SOURCE LAB
CUPS - COMMON UNIX PRINTER SYSTEM INSTALLATION VIDEO
::
OPEN SOURCE LAB
STEP 1 :
STEP 2
UPDATE IN PERL WITH MYSQL DATABASE --- CODING
UPDATE IN PERL WITH MYSQL DATABASE --- CODING
MAKE CHANGES IN THE USR NAME PASSWORD AND DATABASE NAME
update..:
use DBI;
use DBD::mysql;
$platform = "mysql";
$database = "testdb007";
$host = "localhost";
$port = "3306";
$tablename = "Writers";
$user = "2910007";
$pw = "cse007";
#DATA SOURCE NAME
$dsn =
"dbi:mysql:$database:localhost:3306";
# PERL DBI CONNECT
$connect = DBI->connect($dsn, $user,
$pw);
print "\n sucessfully
connected\n";
print"\nEnter new name and ID u
want to change";
$name=<>;
$id=<>;
$query = "UPDATE Writers SET
name='$name' WHERE id='$id'";
# PREPARE THE QUERY
$query1="select * from Writers
ORDER by Id";
$query_handle =
$connect->prepare($query);
$query_handle1 =
$connect->prepare($query1);
# EXECUTE THE QUERY
$query_handle->execute();
$query_handle1->execute();
# BIND TABLE COLUMNS TO VARIABLES
$query_handle1->bind_columns(undef,
\$Id, \$Name);
# LOOP THROUGH RESULTS
print "ID \t NAME\n " ;
while($query_handle1->fetch())
{
print " $Id \t $Name \n>";
}
DELETE IN PERL WITH MYSQL --- CODING
DELETE IN PERL WITH MYSQL --- CODING
delete:
use DBI;
use DBD::mysql;
$platform = "mysql";
$database = "testdb007";
$host = "localhost";
$port = "3306";
$tablename = "Writers";
$user = "2910007";
$pw = "cse007";
#DATA SOURCE NAME
$dsn =
"dbi:mysql:$database:localhost:3306";
# PERL DBI CONNECT
$connect = DBI->connect($dsn, $user,
$pw);
print "\n sucessfully
connected\n";
print"\nEnter ID u want to
delete";
$id=<>;
$query = "DELETE from Writers
WHERE id='$id'";
# PREPARE THE QUERY
$query1="select * from Writers
ORDER by Id";
$query_handle =
$connect->prepare($query);
$query_handle1 =
$connect->prepare($query1);
# EXECUTE THE QUERY
$query_handle->execute();
$query_handle1->execute();
# BIND TABLE COLUMNS TO VARIABLES
$query_handle1->bind_columns(undef,
\$Id,\$Name);
# LOOP THROUGH RESULTS
print "ID \t NAME\n " ;
while($query_handle1->fetch())
{
print " $Id \t $Name \n>";
}
total quality management :: question paper with answer
B.E./B.Tech.
DEGREE EXAMINATION, NOVEMBER/DECEMBER 2011.
UNIVERSITY
QUESTION KEY
PART-A
1)How
can quality be quantified?
Total
Quality Management (TQM) is a philosophy aimed at improving business
as a whole. Some of the benefits lie in the continuous improvement of
processes and products, and enhanced efficiency of people and
machines leading to improved quality.The application
of Total Quality Management
helps in streamlining processes, and ensures a proactive work system
ready to counter deviations from the ideal state. What are some of
the major benefits of Total Quality Management? The major thrust of
Total Quality Management (TQM) is to achieve productivity and process
efficiency by identifying and eliminating problems in work processes
and systems. TQM addresses key problem areas such as mistakes in work
processes, redundant processes, unnecessary tasks, and duplicate
efforts. TQM interventions also help with predicting and pre-empting
such mistakes and unproductive activities.
2)What
are the benefits of TQM
A
committed and involved management to provide long-term top-to-bottom
organizational support. An unwavering focuses on the customer, both
internally and externally. Effective involvement and utilization of
the entire work force. Continuous improvement of the business and
production process. Treating suppliers as partners. Establish
performance measures for the processes
3. What are the important habits of quality leader?
Effective
leadership starts with the chief executive and his top team’s
vision,capitalizing on market or service opportunities,continues
through a strategy that will give the organization competitive or
other advantage, and leads to business or service success. It goes on
to embrace all the beliefs and values held, the decisions taken and
the plans made by anyone anywhere in the organization, and the
focusing of them into effective, value-adding action.
4.
Name a few barriers to Team’s progress.
Although
quality and quality management does not have a formal definition,
most agree that it is an integration of all functions of a business
to achieve high quality of products through continuous improvement
efforts of all employees. Quality revolves around the concept of
meeting or exceeding customer expectation applied to the product and
service. Achieving high quality is an ever changing, or continuous,
process therefore quality management emphasizes the ideas of working
constantly toward improved quality. It involves every aspect of the
company: processes, environment and people. The whole workforce from
the CEO to the line worker must be involved in a shared commitment to
improving quality.Therefore, in brief, quality and total quality
management (TQM) in particular can be defined as directing (managing)
the whole (total) production process to produce an excellent
(quality) product or service.
5.
What are the benefits of Benchmarking?
1)Benchmarking
helps us to learn from the best of the best.
2) Benchmarking helps us to improve our process.
3) Benchmarking helps us to have breakthroughs in quality
2) Benchmarking helps us to improve our process.
3) Benchmarking helps us to have breakthroughs in quality
6.
Name some new management tools.
Afffinity
diagram (or) Affinity Chart (or) K-J method It was created in the
1960s by Japanese anthropologist Jiro Kawakita. organizes a large
number of ideas in to their natural relationships This method taps a
team’s creativity and intuition. When to Use When you are
confronted with many facts or ideas in apparent chaos When issues
seem too large and complex to grasp When group consensus is necessary
Typical situations Used After a brainstorming exercise When analyzing
verbal data, such as survey results
7. How can QFD be deployed?
Quality
Function Deployment (QFD) is the systematic translation of the "voice
of the customer" to actions of the supplier required to meet the
customers' desires, based on a matrix comparing what the customer
wants to how the supplier plans to provide it. This basic matrix can
be expanded to provide additional insight to the supplier, and
cascaded to identify process parameters that must be controlled to
meet the customer requirements
8. What is the formula for measuring equipment effectiveness?
- OEE is a measurement traditionally used in Total Productive Maintenance programs. The measure includes machine effectiveness and efficiency and is a metric commonly found in Lean Manufacturing.
- It intends to answer three questions: How often is the machine available to run? How fast does it run when it's running? How many good parts were produced?
- The formula is shown below:
Availability x Performance x Quality
9.
What are the general requirements of quality management system?
The
model begins with understanding customer needs. TQM organizations
have processes that continuously collect, analyze, and act on
customer information. Activities are often extended to understanding
competitor's customers. Developing an intimate understanding of
customer needs allows TQM organizations to predict future customer
behavior.TQM organizations integrate customer knowledge with other
information and use the planning process to orchestrate action
throughout the organization to manage day to day activities and
achieve future goals. Plans are reviewed at periodic intervals and
adjusted as necessary. The planning process is the glue that holds
together all TQM activity
10.
Draw the documentation pyramid.
\ PART_B
11.
(a) (i) Describe the six basic concepts of TQM. (8)
Constancy
of purpose: short range and long range objectives aligned
_
Identify the customer(s); Customer orientation
_
Identification of internal and external customers
_
Continuous improvement
_
Workflow as customer transactions
_
Empower front-line worker as leader
_
Quality is everybody’s business
_
For a service industry, some elements of quality are:
-
empathy
-
trust; i.e. expertise, integrity, courtesy
-
responsiveness
-
tangible product attractiveness (curb appeal)
-
reliability, on time, no interruptions
_
Customer orientation to child care services, a marketing perspective
_
Barriers that exist to a customer orientation
_
How do we find out what customers want?
_
Present Art Emlen findings on flexibility
(ii) Explain the various dimensions of quality. (8)
Garvin
found the following eight dimensions of Quality. They are
• Performance
• Features
• Reliability
• Conformance
• Durability
• Serviceability
• Aesthetics
• Perceived
Quality
(ii)
What are the duties of quality council? (8)
Quality
Council
A
Quality
council is a team formed in the organization with an objective of
building quality into the culture of the organization. A quality
council is established to provide overall direction for quality in
the organization. Quality council is considered the driving force
behind the total quality management in a organization.
The
quality council is constituted with all the senior managers in the
organization. All relevant managers from various levels of the
organization are also included.
They
come from all the functional areas of the organization. If there are
employee unions in the organization, then suitable representation
must be given to those unions also.
The
objectives of the quality council are:
- To raise the quality consciousness in the organization through seminars, study tours and using other forms of promotion.
- To ensure effective functioning of the organization on the quality statement and plan.
- To encourage basic and applied research and development in the field of quality and dissemination of its results to the organization.
The
duties of Quality Council are as follows:
- To make the Annual Business improvement plan
2. To cascade the Quality goals of the management.
3. To form teams of interested managers to lead the efforts.
4. To train people in Quality tools.
5. To sponsor improvement projects.
6. To recognize the improvements done by suppliers and employees
7. To assess the status of TQM implementation by diagnostic audit.
Or
(b)
(i) Discuss the Deming’s philosophy for TQM. (8)
Deming
had 14 points to help management as follows:
1
Create constancy of purpose towards improvement of product and
service.
2
Adopt the new philosophy. We can no longer live with commonly
accepted levels of delays, mistakes, defective workmanship.
3
Cease dependence on mass inspection. Require instead statistical
evidence that quality is built in.
4
End the practice of awarding business on the basis of price tag.
5
Find problems. It is management’s job to work continually on the
system.
6
Institute modern methods of training on the job.
7
Institute modern methods of supervision of production workers. The
responsibility of foremen must be changed from numbers to quality.
8
Drive out fear, so that everyone may work effectively for the
company.
9
Break down barriers between departments.
10
Eliminate numerical goals, posters, and slogans for the workforce
asking for new levels of productivity without providing methods.
11
Eliminate work standards that prescribe numerical quotas.
12
Remove barriers that stand between the hourly worker and his right to
pride of workmanship.
13
Institute a vigorous program of education and retraining.
14
Create a structure in top management that will push every day on the
above 13 points.
(ii)
Explain the barriers to TQM implementation and solution. (8)
1.
Lack
of commitment from Top management. This is dealt with by organizing
visits by TQM experts to the company or the top management people
visiting other advanced companies in India and abroad.
2.
Lack
of cooperation from Middle management: Dept Heads do not support TQM
as they are afraid of losing their power. This should be dealt with
by showing that TQM is beneficial to every one and not following it
is detrimental to the survival.
3.
Functional
Barriers: Traditional way of working has built vertical silos around
the functions and this should be broken by Process approach.
4.
Lack
of Team work : teams are the basic necessities for TQM
implementation. Teasn should
be
formed and they should be recognized by the top management. Quality
circles and Cross
functional
teams should be fully supported by the top management.
5.
Subjective
decisions: TQM requires analysis of problems. But some people tend to
be
subjective about problems, Data collection should be made mandatory and judgments and intuitive way of solving problems should be discouraged.
subjective about problems, Data collection should be made mandatory and judgments and intuitive way of solving problems should be discouraged.
6.
No
knowledge of tools: Ishikawa said “TQM starts with education”.
Full time programmes should be run to teach problem solving tools to
every one.
7.
No
customer focus: Whatever we do, we need to ask what value is this to
customer. But some times it is not so. We should encourage process
audits to find out how
customer
requirements are translated into products.
8.
Fatigue:
People tend to expect too much in a short time and if the goals are
not achieved, they tend to become frustrated. To avoid this, frequent
communications and some fun gatherings should be organized.
12. (a) (i) Write about the system of recognition and reward followed in an organization. (12)
Many
companies have difficulties in implementing TQM. Surveys by
consulting firms have found that only 20-36% of companies that have
undertaken TQM have achieved either significant or even tangible
improvements in quality, productivity, competitiveness or financial
return. As a result many people are sceptical about TQM. However,
when you look at successful companies you find a much higher
percentage of successful TQM implementation.
Some useful messages from results of TQM implementations:
Some useful messages from results of TQM implementations:
- if you want to be a first-rate company, don't focus on the second-rate companies who can't handle TQM, look at the world-class companies that have adopted it
- the most effective way to spend TQM introduction funds is by training top management, people involved in new product development, and people involved with customers
- it's much easier to introduce EDM/PDM in a company with a TQM culture than in one without TQM. People in companies that have implemented TQM are more likely to have the basic understanding necessary for implementing EDM/PDM. For example, they are more likely to view EDM/PDM as an information and workflow management system supporting the entire product life cycle then as a departmental solution for the management of CAD data
Important
aspects of TQM include customer-driven quality, top management
leadership and commitment, continuous improvement, fast response,
actions based on facts, employee participation, and a TQM culture.
Customer-drivenquality
TQM has a customer-first orientation. The customer, not internal activities and constraints, comes first. Customer satisfaction is seen as the company's highest priority. The company believes it will only be successful if customers are satisfied. The TQM company is sensitive to customer requirements and responds rapidly to them. In the TQM context, `being sensitive to customer requirements' goes beyond defect and error reduction, and merely meeting specifications or reducing customer complaints. The concept of requirements is expanded to take in not only product and service attributes that meet basic requirements, but also those that enhance and differentiate them for competitive advantage.
Each part of the company is involved in Total Quality, operating as a customer to some functions and as a supplier to others. The Engineering Department is a supplier to downstream functions such as Manufacturing and Field Service, and has to treat these internal customers with the same sensitivity and responsiveness as it would external customers.
TQMleadershipfromtopmanagement
TQM is a way of life for a company. It has to be introduced and led by top management. This is a key point. Attempts to implement TQM often fail because top management doesn't lead and get committed - instead it delegates and pays lip service. Commitment and personal involvement is required from top management in creating and deploying clear quality values and goals consistent with the objectives of the company, and in creating and deploying well defined systems, methods and performance measures for achieving those goals. These systems and methods guide all quality activities and encourage participation by all employees. The development and use of performance indicators is linked, directly or indirectly, to customer requirements and satisfaction.
Customer-drivenquality
TQM has a customer-first orientation. The customer, not internal activities and constraints, comes first. Customer satisfaction is seen as the company's highest priority. The company believes it will only be successful if customers are satisfied. The TQM company is sensitive to customer requirements and responds rapidly to them. In the TQM context, `being sensitive to customer requirements' goes beyond defect and error reduction, and merely meeting specifications or reducing customer complaints. The concept of requirements is expanded to take in not only product and service attributes that meet basic requirements, but also those that enhance and differentiate them for competitive advantage.
Each part of the company is involved in Total Quality, operating as a customer to some functions and as a supplier to others. The Engineering Department is a supplier to downstream functions such as Manufacturing and Field Service, and has to treat these internal customers with the same sensitivity and responsiveness as it would external customers.
TQMleadershipfromtopmanagement
TQM is a way of life for a company. It has to be introduced and led by top management. This is a key point. Attempts to implement TQM often fail because top management doesn't lead and get committed - instead it delegates and pays lip service. Commitment and personal involvement is required from top management in creating and deploying clear quality values and goals consistent with the objectives of the company, and in creating and deploying well defined systems, methods and performance measures for achieving those goals. These systems and methods guide all quality activities and encourage participation by all employees. The development and use of performance indicators is linked, directly or indirectly, to customer requirements and satisfaction.
Continuous
improvement of all operations and activities is at the heart of TQM.
Once it is recognized that customer satisfaction can only be obtained
by providing a high-quality product, continuous improvement of the
quality of the product is seen as the only way to maintain a high
level of customer satisfaction. As well as recognizing the link
between product quality and customer satisfaction, TQM also
recognizes that product quality is the result of process quality. As
a result, there is a focus on continuous improvement of the company's
processes. This will lead to an improvement in process quality. In
turn this will lead to an improvement in product quality, and to an
increase in customer satisfaction. Improvement cycles are encouraged
for all the company's activities such as product development, use of
EDM/PDM, and the way customer relationships are managed. This implies
that all activities include measurement and monitoring of cycle time
and responsiveness as a basis for seeking opportunities for
improvement.
Elimination of waste is a major component of the continuous improvement approach. There is also a strong emphasis on prevention rather than detection, and an emphasis on quality at the design stage. The customer-driven approach helps to prevent errors and achieve defect-free production. When problems do occur within the product development process, they are generally discovered and resolved before they can get to the next internal customer.
(ii) What are the suggestions to improve the appraisal system? (4)
Elimination of waste is a major component of the continuous improvement approach. There is also a strong emphasis on prevention rather than detection, and an emphasis on quality at the design stage. The customer-driven approach helps to prevent errors and achieve defect-free production. When problems do occur within the product development process, they are generally discovered and resolved before they can get to the next internal customer.
(ii) What are the suggestions to improve the appraisal system? (4)
Total
Quality Management (TQM) emphasizes the continuous improvement of
product and processes to ensure long term customer satisfaction. Its
a problem solving focus encourages employees empowerment by using the
job related ingenuity & expertise of the workforce. Cross
functional teams develop solutions to complex problems often
shortening the time taken to design, develop or produce product and
services. Since a team may not include a representative of
management, therefore the dividing line between labor and management
often becomes blurred. In practice as workers themselves begin to
solve organizational problems thus adaptation of TQM generally
requires cultural change within the organization as management
reexamines its past methods and practices in the light of demands of
the new philosophy.Father of TQM W. Edwards Deming had his way,
appraisal system that tie individual performance to salary
adjustments would be eliminated. In his view, such system hinders
team work, create fear & mistrust and discourage risk taking
behavior, thereby stifling innovation. Deming argues, most
appraisal system are based on the faulty assumption that individuals
have significant control over their own performance, i.e. the most
individuals can improve if they chose to do so by putting forth the
necessary effort.
In
the basis of his arguments everything done in an organization is done
within the frame work of one or more systems. The systems provide
limit on the activities of machines, processes, employees and even
managers. In a well designed system, it is impossible to do a job
improperly. Conversely, a poor system can thwart the best effort of
the best employee. If the system itself prevents good work,
performance
appraisal cannot serve its intended purpose of differentiating
among individuals for purposes of salary adjustment. Further, since
employees have little opportunity to change those systems, they may
become frustrated and demoralized.
Organization
need not sacrifice their performance appraisal programs on the altar
of TQM. Here are three suggestions for harmonizing the two processes.
- Let customer expectations generate individual or team performance expectations.
- Include result expectations that identify actions to meet or exceed those expectations.
- Include behavioral skills that make a real difference in achieving quality performance and total customer satisfaction.
When
performance expectations focus on process improvement as well as on
the behavioral skills needed to provide a product or service, total
quality, excellent customer service, and appraisal of individual or
team performance become ‘the way we do business’.
Or
(b)
Explain the different approaches towards Continuous
Process Improvement.
Continuous
Improvement Process Introduction In order to comprehend the need for
improvement in the construction industry and to better manage our
projects and construction companies, we need to look for a method to
do so. Construction managers need to improve their performance.
Construction costs are becoming far too high. Construction project
management is more difficult than it should be. When turnaround at
the end of a project becomes a gut-wrenching experience with
unnecessary disputes (which must be settled) that arise due to
insufficient quality or indifference to quality, settlement by
negotiation, arbitration, or even litigation imposes a serious drain
on the financial resources of a company and limits profit potential.
To be competitive in today’s market, it is essential for
construction companies to provide more consistent quality and value
to their owners/customers. Now is the time to place behind us the old
adversarial approach to managing construction work. It is time to
develop better and more direct relationships with our
owners/customers, to initiate more teamwork at the jobsite, and to
produce better quality work. Such goals demand that a continuous
improvement (CI) process be established within the company in order
to provide quality management. Ancient Greeks referred to the concept
of continuous improvement as well as the Chinese. Recently CI has
been referred to as Total Quality Management (TQM). Whichever name is
preferred, the concept must be understood and applied to a firm’s
operations. Meeting owner/customer requirements (providing customer
satisfaction) is a primary objective of quality management, and
contractors who are the suppliers of construction services must
address owner/customer requirements if they are to succeed. The
construction industry exists to provide a service to its
owners/customers who are becoming more demanding and are seeking
higher quality, better value, and lower costs. These owner/customer
requirements mirror the economic pressures they face in their own
businesses. Implementing total quality management / continuous
improvement in managing everyday construction activities is relevant
to all those who participate in and contribute to the construction
process. What you will learn from this article: 1. A management style
that focuses on customer satisfaction, the elimination of waste, and
continuous improvement 2. A method for upper management leadership to
demonstrate its commitment to the new style of management with the
involvement of all employees
13. (a) (i) Explain the relevance of 6-sigma concept in achieving quality output in a process. (12)
Six
sigma stands for six standard deviation from mean. It is similar to
Zero Defect.It is a methodology provides the techniques and tools to
improve the capability and reduce the defects in any process.Six
sigma strives for perfection. It allows for only 3.4 defects per
million opportunities. Six sigma improves the process performance,
decrease variation and maintains consistent quality of the process
output.
(ii) Give an example of a company practicing six-sigma concept. (4)
(ii) Give an example of a company practicing six-sigma concept. (4)
Six
sigma Process
Define
- improvement opportunity with an emphasis on increasing customer
satisfaction.
Measur-determine process capability (defects per million
opportunities).Analyze - identify the vital few process input variables that affect key product output
variables (“Finding the knobs”).Improve - Make changes to process settings, redesign processes, etc. to reduce the number of defects of key output variables.Control - Implement process control plans, install real-time processes to maintain levels
Measur-determine process capability (defects per million
opportunities).Analyze - identify the vital few process input variables that affect key product output
variables (“Finding the knobs”).Improve - Make changes to process settings, redesign processes, etc. to reduce the number of defects of key output variables.Control - Implement process control plans, install real-time processes to maintain levels
Or
(b)
(i) What is Benchmarking and why do the organizations adopt
this technique? (2+4)
1.
Benchmarking
helps us to learn from the best of the best.
2. Benchmarking helps us to improve our process.
3. Benchmarking helps us to have breakthroughs in quality.Benchmarking is a systematic method by which organizations can measure themselves against the best industry practices. The essence of benchmarking is the process of borrowing ideas and adapting them to gain competitive advantage. It is a tool for continuous improvement.
2. Benchmarking helps us to improve our process.
3. Benchmarking helps us to have breakthroughs in quality.Benchmarking is a systematic method by which organizations can measure themselves against the best industry practices. The essence of benchmarking is the process of borrowing ideas and adapting them to gain competitive advantage. It is a tool for continuous improvement.
(ii)
Explain the Benchmarking process. (10)
Steps
to benchmark
The
benchmarking process has five main stages PLAN the study:
_
Select
processes for benchmarking._
Bring
together the appropriate team to be involved and establish roles and
responsibilities._
Identify
benchmarks and measures for data collection._
Identify
best competitors or operators of the process(es), perhaps using
customer feedbackor industry observers._
Document
the current process(es).COLLECT data and information:_
Decide
information and data collection methodology, including desk
research._
Record
current performance levels._
Identify
enchmarking partners._
Conduct
a preliminary investigation._
Prepare
for any site visits and interact with target organizations._
Use
data collection methodology._
Carry
out site visits.ANALYZE the data and information:_
Normalize
the performance data, as appropriate._
Construct
a matrix to compare current performance with benchmarking competitors
performance._
Identify
outstanding practices._
Isolate
and understand the process enablers, as well as the performance
measures.ADAPT the approaches:
_
Catalogue
the information and create a ‘competency profile’ of the
organization.
_
Develop
new performance level objectives/targets/standards.
_
Vision
alternative process(es) incorporating best practice enablers.
_
Identify
and minimize barriers to change.
_
Develop
action plans to adapt and implement best practices, make process
changes, and
achieve
goals.
14.
(a) Explain the seven step plan to establish the TPM in an
organization in detail.
- TPM is a partnership between the maintenance and production organization to improve product quality, reduce waste, reduce cost, increase equipment availability and improve maintenance state.
- TYPES OF MAINTENANCE
- Corrective (or) breakdown maintenance
- It implies that repairs are made after failure of machine or equipment
- Scheduled (or) Routine maintenance
- It is a stitch-in-time procedure aimed to avoiding breakdowns
- Preventive maintenance
- It is carried out before the failure arises (or) prior to the equipment actually breakdowns. E.g. Overhauling & Periodic upkeep.
- Predictive maintenance
- Equipment Condition evaluated periodically and maintenance carried out.
- OBJECTIVES OF TPM
- Improve Equipment Effectiveness
- Achieve Autonomous
- Plan Maintenance
- To Train all staff in maintenance skills
- To Zero Breakdowns
The
major factors that contribute to productivity loss are
- Downtime losses
- Losses due to slow speed
- Losses due to poor quality
Downtime
loss
The
factors that contribute to down time loss can either be a planned one
or unplanned one. The factors that come under or contribute to
planned down time loss are
- Start up losses
- Loss due to shift changes
- Loss because of lunch breaks
- Loss due to planned shutdowns for maintenance
The
factors that contribute to unplanned down time losses are
- Due to the breakdown of machines
- Due to the lack of raw materials
Losses
due to change in speed
- Loss due to idling and major stoppages
- Slow speed of the machine because of some factors
Losses
due to poor quality
The
factor that contribute to this loss are
- When the product does not meet the required conformities
- Scrap
Or
(b)
Explain the concept of Taguchi's quality loss function in detail.
Give an example.
Genichi Taguchi was a noted Japanese engineering specialist who advanced ‘quality engineering’ as a technology to reduce costs and improve quality simultaneously. The popularity of Taguchi methods today testifies to the merit of his philosophies on quality. The basic elements of Taguchi’s ideas, which have been extended here to all aspects of product, service and process quality, may be considered under four main headings.
Genichi Taguchi was a noted Japanese engineering specialist who advanced ‘quality engineering’ as a technology to reduce costs and improve quality simultaneously. The popularity of Taguchi methods today testifies to the merit of his philosophies on quality. The basic elements of Taguchi’s ideas, which have been extended here to all aspects of product, service and process quality, may be considered under four main headings.
1
Total loss function
An
important aspect of the quality of a product or service is the total
loss to society that it generates. Taguchi’s definition of product
quality as ‘the loss imparted to society from the time a product is
shipped is rather strange, since the word loss
denotes
the very opposite of what is normally conveyed by using the word
quality.
2
Design of products, services and processes
In
any product or service development, three stages may be identified:
product or service design, process design, and production or
operations. Each of these overlapping stages has many steps, the
output of one often being the input to others.
3
Reduction of variation
The
objective of a continuous quality improvement program is to reduce
the variation of key products’ performance characteristics about
their target values. The widespread practice of setting
specifications in terms of simple upper and lower limits conveys the
wrong idea that the customer is satisfied with all values inside the
specification band, but is suddenly not satisfied when a value slips
outside one of the limits.
15.
(a) (i) Explain the benefits of EMS. (8)
1.Environmental
policy
Initially,
the organization’s top management should have commitment and define
the policy on EMS which is used for the direction of implementing and
improving its EMS.
2.Planning
In order to achieve environmental policy, at least, the organization should :
In order to achieve environmental policy, at least, the organization should :
- Identify the environmental aspects of its activities and specify those which have significant impacts on the environment.
- Identify legal and other requirements to which the organization involved.
- Establish objectives and targets of its activities having impacts to environment.
- Establish environmental programs for achieving its objectives and targets.
- 3. Implementation
- In order to achieve environmental planning, at least, the organization should :
- Define roles, responsibilities and authorities for facilitating EMS effectively.
- Communicate to the staffs at each level for the importance of conformance to the environmental policy; provide appropriate training to personnel performing the tasks to gain their knowledge and competence.
- Establish and control documentation relating to EMS.
- Control operations and activities to meet the specified objectives and targets.
- Identify potential accidents and emergency situations for preventing and mitigating the environmental impacts that may be associated with them and periodically test such procedures where practicable.
- 4. Checking and corrective action
To
ensure that the organization is performing in accordance with the
stated EMS programmes, at least, the organization should:
- Monitor and measure its operations and activities against the organization’s plans.
- Identify non-conformance and take action to mitigate any impact caused.
- Record the on-going activities of the EMS.
- Conduct periodic EMS audits.
- 5. Management review
- The organization’s top management should review and continually improve its EMS, with the objective of improving its overall environmental performance.
(ii)
Discuss quality auditing in detail. (8)
Quality
function deployment (QFD) is a ‘system’ for designing a product
or service, based on customer requirements, with the participation of
members of all functions of the supplier organization. It translates
the customer’s requirements into the appropriate technical
requirements for each stage.
The
activities included in QFD are:
1
Market research.
2
Basic research.
3
Innovation.
4
Concept design.
5
Prototype testing.
6
Final-product or service testing.
7
After-sales service and troubleshooting.
Parts
of house of quality
- Customer requirements
- Prioritized customer requirements
- Technical descriptors
- Prioritized technical descriptors
- Relationship between requirements and descriptors
- Interrelationship between technical descriptors
Fig:
House of quality
How
to build a house of quality
- List customer requirements
- List technical descriptors
- Develop a relationship matrix between WHATs and HOWs
- Develop an interrelationship matrix between HOWs
- Competitive assessments
- Develop prioritized customer requirements
- Develop prioritized technical descriptors
Or
(b)
Discuss the implementation of TQM with a case study from
the manufacturing industry.Service
quality, which always involves the customer as part of a transaction,
will therefore always be a balance: the balance between the
expectations that the customer had and their perceptions of the
service received. A 'high quality' service is one where the
customer's perceptions meet or exceed their expectations.
The
components of perceived service quality have been identified
(Parasuraman et al., 1988) as
- Reliability: the ability to provide a service as expected by the customer.
- Assurance: the degree to which the customer can feel confident that the service will be correctly provided.
- Tangibles: the quality of the physical environment and materials used in providing the service.
- Responsiveness: the ability of the service provider to respond to the individual needs of a particular customer.
- Empathy: the courtesy, understanding and friendliness shown by the service provider.
Note
that these are external measures: they can be obtained only after the
service is delivered. They thus suffer from the problems noted above
for service quality measures: a failure can be detected only when it
is too late to respond. Such measures have great value, but not in
the ongoing business of monitoring and improving quality. Rather they
can indicate the targets that must be aimed for. They define what the
customer is expecting and so what we must aim to deliver. In order to
deliver these expectations, we need internal measures: measures that
will tell us how we can deliver what the customer expects. More
importantly, how we can know before delivery that the service will
exceed the customer's expectations? Zimmerman & Enell (1988)
advise that careful consultation with the customer and an appraisal
of the performance of competitors is needed in order to create any
scales or measurements of quality which they place in a narrowed down
framework of four quality standards. The four service quality
categories are: timeliness; integrity; predictability; customer
satisfaction. Timeliness of service has been referred to by a number
of authors as an important component in the quality of a service. It
is a reasonable feature of service to be given high priority because
the service has to be produced on demand and the interval in
provision is an element of the actual product. Timeliness may be
separated into three types: access time (the time taken to gain
attention from the company); queuing time (this can be influenced by
the length of the queue, or its integrity); and action time (the time
taken to provide the required service). Integrity deals with the
completeness of service and must set out what elements are to be
included in the service in order for the customer to regard it as a
satisfactory product. Case
study: The
concepts developed above were implemented in a study of processes at
the Sheraton Brisbane Hotel and Towers. Sheraton have implemented for
some years the Sheraton Guest Satisfaction Scheme which has focused
the attention of Sherton staff on the importance of service quality.
However, prior to the study they had made limited use of internal
quality measurement and the main aim of the project was to develop
such measures for some of the processes within the hotel. The
processes chosen for study were identified at a meeting with the
hotel's Executive Committee. They were chosen to be of interest to
the Committee and also to be likely to give reasonable results in the
time available for the study. The processes chosen were: The
reservation process, from the time a guest makes a booking until they
arrive at their room. The function process, from the time the
organizers book the function room to the completion of the function.
The first step in studying the process was the preparation of
detailed flow charts of the processes. Meetings were held with the
managers of divisions directly involved in the processes. This
ensured that these key managers understood the aims of the project
and would give their support. Interviews were conducted with staff at
all stages of each process to identify: heir roles and activities;
other staff with whom they interacted; their sources of information;
their customers. 3. Sections of the processes were observed in action
to ensure that the information gained in the interviews was correctly
understood. 4. Flowcharts were drawn up: where necessary, additional
information was obtained to allow them to be completed. These were
then checked with staff involved in the processes.Having thus clearly
defined the steps involved in these processes, measurement points
were identified that would allow assessment of timeliness, integrity,
predictability and satisfaction. Some of the measures that were
identified are shown in Table 1. A number of these were studied. Here
we shall concentrate on three of them: The Towers' Check-in; The
Luggage Survey; The Event Order. 5.1 Check-in at the Towers
11.
(a) (i) Describe the six basic concepts of TQM. (8)
Constancy of purpose: short range and long range objectives aligned
Constancy of purpose: short range and long range objectives aligned
_
Identify the customer(s); Customer orientation
_
Identification of internal and external customers
_
Continuous improvement
_
Workflow as customer transactions
_
Empower front-line worker as leader
_
Quality is everybody’s business
_
For a service industry, some elements of quality are:
-
empathy
-
trust; i.e. expertise, integrity, courtesy
-
responsiveness
-
tangible product attractiveness (curb appeal)
-
reliability, on time, no interruptions
_
Customer orientation to child care services, a marketing perspective
_
Barriers that exist to a customer orientation
_
How do we find out what customers want?
_
Present Art Emlen findings on flexibility
(ii) Explain the various dimensions of quality. (8)
(b)
(i) Discuss the Deming’s philosophy for TQM. (8)
Deming
had 14 points to help management as follows:
1
Create constancy of purpose towards improvement of product and
service.
2
Adopt the new philosophy. We can no longer live with commonly
accepted levels of delays, mistakes, defective workmanship.
3
Cease dependence on mass inspection. Require instead statistical
evidence that quality is built in.
4
End the practice of awarding business on the basis of price tag.
5
Find problems. It is management’s job to work continually on the
system.
6
Institute modern methods of training on the job.
7
Institute modern methods of supervision of production workers. The
responsibility of foremen must be changed from numbers to quality.
8
Drive out fear, so that everyone may work effectively for the
company.
9
Break down barriers between departments.
10
Eliminate numerical goals, posters, and slogans for the workforce
asking for new levels of productivity without providing methods.
11
Eliminate work standards that prescribe numerical quotas.
12
Remove barriers that stand between the hourly worker and his right to
pride of workmanship.
13
Institute a vigorous program of education and retraining.
14
Create a structure in top management that will push every day on the
above 13 points
B.E./B.Tech.
DEGREE EXAMINATION, NOVEMBER/DECEMBER 2011.
Seventh
Semester
GE
2022 – TOTAL QUALITY MANAGEMENT
(Common
to Seventh Semester Aeronautical Engineering, Production Engineering,
Biomedical Engineering, Biotechnology Computer Science and
Engineering Electrical and Electronics Engineering and Sixth Semester
– Civil Engineering)
Time
: Three hours
Maximum : 100 marks
Answer
ALL questions.
PART
A — (10 × 2 = 20 marks)
1.
How can quality be quantified?2. What are the benefits of TQM?
3. What are the important habits of quality leader?
4. Name a few barriers to Team’s progress.
5. What are the benefits of Benchmarking?
6. Name some new management tools.
7. How can QFD be deployed?
8. What is the formula for measuring equipment effectiveness?
9. What are the general requirements of quality management system?
10. Draw the documentation pyramid.
PART B — (5 × l6 = 80 marks)
11. (a) (i) Describe the six basic concepts of TQM. (8)
(ii) Explain the various dimensions of quality. (8)
3. What are the important habits of quality leader?
4. Name a few barriers to Team’s progress.
5. What are the benefits of Benchmarking?
6. Name some new management tools.
7. How can QFD be deployed?
8. What is the formula for measuring equipment effectiveness?
9. What are the general requirements of quality management system?
10. Draw the documentation pyramid.
PART B — (5 × l6 = 80 marks)
11. (a) (i) Describe the six basic concepts of TQM. (8)
(ii) Explain the various dimensions of quality. (8)
Or
(b)
(i) Discuss the Deming’s philosophy for TQM. (8)
(ii) Explain the barriers to TQM implementation and solution. (8)
12. (a) (i) Write about the system of recognition and reward followed in an organization. (12)
(ii) What are the suggestions to improve the appraisal system? (4)Or
(ii) Explain the barriers to TQM implementation and solution. (8)
12. (a) (i) Write about the system of recognition and reward followed in an organization. (12)
(ii) What are the suggestions to improve the appraisal system? (4)Or
(b)
Explain the different approaches towards Continuous
Process Improvement.
13. (a) (i) Explain the relevance of 6-sigma concept in achieving quality output in a process. (12)
(ii) Give an example of a company practicing six-sigma concept. (4)
13. (a) (i) Explain the relevance of 6-sigma concept in achieving quality output in a process. (12)
(ii) Give an example of a company practicing six-sigma concept. (4)
Or
(b)
(i) What is Benchmarking and why do the organizations adopt
this technique? (2+4)
(ii) Explain the Benchmarking process. (10)
14. (a) Explain the seven step plan to establish the TPM in an organization in detail.
(ii) Explain the Benchmarking process. (10)
14. (a) Explain the seven step plan to establish the TPM in an organization in detail.
Or
(b)
Explain the concept of Taguchi's quality loss function in detail.
Give an example.
15. (a) (i) Explain the benefits of EMS. (8)
(ii) Discuss quality auditing in detail. (8)
15. (a) (i) Explain the benefits of EMS. (8)
(ii) Discuss quality auditing in detail. (8)
Or
(b)
Discuss the implementation of TQM with a case study from
the manufacturing industry.
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