M.B.A. DEGREE EXAMINATION, NOVEMBER 2017
Environment and Industrial Safety
RELIABILITY ENGINEERING
(2017 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
1. Define Failure rate.
2. What is a function of Mortality curve?
3. What do you understand from the exponential
distribution?
4. List any two probability plotting techniques.
5. Write the difference between series and parallel systems.
6. What are the applications of Baye's theorem?
7. List few necessity of reliability testing.
8. How Non parametric methods of reliability management
are useful?
9. Define Risk.
10. What do you understand by risk analysis techniques?
Sub. Code
11
CP-8270
2
Wk 3
Part B x 5 25)
Answer all questions.
11. Explain Mean time between failures and mean time
to failures.
Or
How the availability and maintainability are
understood in a reliability concept?
12. Explain any two failure distributions and illustrate
them with an example.
Or
How hazard plotting is used in the failure data
analysis?
13. Explain with an example the three approaches of
reliability.
Or
Define fault tree analysis and its limitations.
14. How will you find the life cycle cost in reliability
management?
Or
Write your opinion about the model for replacement
in the management.
15. Why do we need Industrial safety?
Or
Is it possible to assess the risk? How?
CP-8270
3
Wk 3
Part C 10 30)
Answer all questions.
16. Explain a priori and a posteriori concepts in
reliability.
Or
Write a case study for the failure data analysis.
17. How the cut and tie set method is useful in the
prediction of reliability models?
Or
What is a difference between MARKOV Analysis
and fault tree analysis? Explain.
18. How the standby systems are modelled?
Or
Explain about the RBD approach in a reliability
prediction.
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