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Industrial Engineering : Question Paper Jun 2014 - Mechanical Engineering (Semester 6) | Gujarat Technological University (GTU)
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Industrial Engineering - Jun 2014

Mechanical Engineering (Semester 6)

TOTAL MARKS: 100
TOTAL TIME: 3 HOURS
(1) Question 1 is compulsory.
(2) Attempt any four from the remaining questions.
(3) Assume data wherever required.
(4) Figures to the right indicate full marks.


Attempt the following questions.

1 (a) State the advantages of S.Q.C. What are attribute and variable quality characteristics.(7 marks) 1 (b) Following are the readings of diameters taken for pins manufactured on the lathe machine. Draw X bar and R chart (take A2=0.729, D4=2.282, D3=0)

1 2 3 4 5 6 7 8 9 10
14.8 14.9 14.8 15.0 14.6 16.1 15.2 14.8 14.9 14.9
15.1 14.6 14.9 16.2 15.1 14.7 15.1 15.4 15.9 16.3
15.0 15.2 15.2 14.9 15.3 14.9 15.3 15.2 15.5 14.8
14.9 15.1 15.3 14.7 14.8 15.1 15.1 14.9 14.5 15.3
(7 marks) 2 (a) Explain following terms: (1) Quality assurance (2) T.Q.M(7 marks)


Answer any two question from Q2 (b) or Q2 (c)

2 (b) Following are the observations of bulb manufacturing co. for the 12 days. Draw the P chart.

Days 1 2 3 4 5 6 7 8 9 10 11 12
No. of inspected bulbs  59  102  48  130  78   65   80   96   110   145   68  86
No. of defective bulbs 4 12 6 18 8 7 6 1 3 37 8 5
(7 marks) 2 (c) Explain operating characteristics curves for acceptance sampling.(7 marks)


Answer any two question from Q3 (a), (b) or Q3 (c), (d)

3 (a) What is method study? Explain in brief various charts and diagrams utilized in method study.(7 marks) 3 (b) What is therbligs? State the importance of micro motion study.(7 marks) 3 (c) Differentiate between cumulative timing and fly back timing. How standard time is calculated ?(7 marks) 3 (d) State the relationship between productivity and work study. Explain various tools for increasing productivity.(7 marks)


Answer any two question from Q4 (a), (b) or Q4 (c), (d)

4 (a) What are factories act? What are major provisions for safety and health?(7 marks) 4 (b) Define wages and explain in detail various types of incentives.(7 marks) 4 (c) State various sources of industrial finance. State various government incentives to entrepreneurs.(7 marks) 4 (d) State various methods of job evaluation. Discuss in brief.(7 marks)


Answer any two question from Q5 (a), (b) or Q5 (c), (d)

5 (a) Write in brief on: (1) Work flow diagram (2) Machine data cards(7 marks) 5 (b) What is line of balance?. Discuss in detail assembly line balancing taking suitable example.(7 marks) 5 (c) Write the functions included under the activity of production planning.(7 marks) 5 (d) Discuss the following sales forecasting:
(1) Exponential smoothing
(2) Method of weighted moving average.
(7 marks)

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