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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 |
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 |
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)