GTU Mechanical Engineering (Semester 6)
Industrial 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


Attempt the following questions.
1 (a) State the advantages of S.Q.C. What are attribute and variable quality characteristics.
7 M
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 M

2 (a) Explain following terms: (1) Quality assurance (2) T.Q.M
7 M
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 M
2 (c) Explain operating characteristics curves for acceptance sampling.
7 M

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

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 M
4 (b) Define wages and explain in detail various types of incentives.
7 M
4 (c) State various sources of industrial finance. State various government incentives to entrepreneurs.
7 M
4 (d) State various methods of job evaluation. Discuss in brief.
7 M

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 M
5 (b) What is line of balance?. Discuss in detail assembly line balancing taking suitable example.
7 M
5 (c) Write the functions included under the activity of production planning.
7 M
5 (d) Discuss the following sales forecasting:
(1) Exponential smoothing
(2) Method of weighted moving average.
7 M



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