GTU Mechanical Engineering (Semester 7)
Quality And Reliability Engineering
June 2014
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary


1 (a) Discuss Business Process Re-engineering in brief.
7 M
1 (b) Explain ISO 14000 with its benefits and barriers.
7 M

2 (a) Write a short note on views of different quality Gurus.
7 M
Answer any two question from Q2 (b) or Q2 (c)
2 (b) Explain 7 New Quality Improvement tools.
7 M
2 (c) Discuss TQM implementation and limitations.
7 M

Answer any two question from Q3 (a), (b) or Q3 (c), (d)
3 (a) Explain different steps in experimental design.
7 M
3 (b) Explain KANBAN system in brief.
7 M
3 (c) Write a short note on Taguchi approach.
7 M
3 (d) Write a short note on Just In Time system.
7 M

Answer any two question from Q4 (a), (b) or Q4 (c), (d)
4 (a) Discuss advantages and disadvantages of Total Productive Maintenance,
7 M
Write a short note on:
4 (b) (i) Bench marking.
3 M
4 (b) (ii) Agile manufacturing.
4 M
4 (c) Explain six sigma technique in brief
7 M
Write a short note on:
4 (d) (i) Quality Assurance.
3 M
4 (d) (ii) Quality Management.
4 M

Answer any two question from Q5 (a), (b) or Q5 (c), (d)
5 (a) Define 1) Quality 2) Inspection 3) Failure rate 4) Quality Control 5) Failure density 6) MTTF 7)MTTR
7 M
5 (b) One thousand steel pins with the specification of 10+0.015,10.70-0.010 diameter were obtained and the data was recorded follows:
Diameter in mm No of Pins
10.60 - 10.65 05
10.65 - 10.70 10
10.70 - 10.75 30
10.75 - 10.80 35
10.80 - 10.85 17
10.85 - 10.90 03

1) Find the Arithmetic mean and standard deviation
2) Interpret the results on the basis of Normal distribution and suggest the change if any.
7 M
Write a short note on:
5 (c) (i) Histogram.
3 M
5 (c) (ii) Normal Distribution Curve.
4 M
5 (d) (i) Failure Data Analysis.
3 M
5 (d) (ii) Mortality Curve.
4 M



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