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Total No. of Questions : 8]
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Roll No .................
MMIE/MMPD-202
M.E./M.Tech., II Semester
Examination, June 2023
Reliability Engineering and Quality Management
M.E./M.Tech., II Semester
Examination, June 2023
Reliability Engineering and Quality Management
Time : Three Hours
Maximum Marks : 70
Note : i) Attempt any five questions,
ii) All questions carry equal marks.
ii) All questions carry equal marks.
1. a)
What is 'Accelerated Testing' and what are the main advantages of this type of testing in comparison to non-accelerated test? Discuss.
b)
Define and describe the term MTTF, MTTR and MTBF.
2. a)
Establish a relationship among reliability failure rate and MTTF.
b)
What is Taguchi loss function and robust design? Explain.
3. a)
State the contents of quality assurance manual.
b)
Explain the six sigma concepts. Also state its implementation procedure.
4. a)
Describe the procedure of implementation of T.Q.M. in any industry.
b)
What is control charts? Explain the application of control charts.
5. a)
What is meant by process capability? What are the different methods of calculating process capability? Explain.
b)
The design specification for a component are 100 ± 0.5 mm where as the report shows that process average is 99.9 mm and standards deviation is 0.18. Do these figures call for any action by anyone? What action is necessary and by whom?
6. a)
Explain Dodge's AOQL plan for continuous production.
b)
What is ATI? How will you compute ATI for double sampling plan?
7. a)
What is the procedure of selection of sampling plans for different situation?
b)
The lot size N is 3000 in a certain AOQL inspection procedure. The desired AOQL of 3% can be obtained with any one of the three sampling plans. These are:
- n = 60, c = 2
- n = 42, c = 1
- n = 20, c = 0
8.
Write short notes on any three :
a)
Various Quality Award
b)
Cost Benefit Analysis
c)
Quality Function Deployment
d)
Economics of Quality System