GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER-VII (NEW) EXAMINATION - WINTER 2020
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Subject Code:2171502 Date:21/01/2021Subject Name:Work System Design
Time:10:30 AM TO 12:30 PM Total Marks: 56
Instructions:
1. Attempt any FOUR questions out of EIGHT questions.
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2. Make suitable assumptions wherever necessary.3. Figures to the right indicate full marks.
Q.1 (a) Define work study. 03
(b) State field of applications of WORK study. 04
(c) Explain the difference between flow process chart and two handed process charts 07
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Q.2 (a) What are ‘Therbligs’? 03
(b) Give objectives and limitations of operation process chart 04
(c) What ‘Care’ the management has to take before a new method is to be implemented? 07
Q.3 (a) State the objectives of work measurement in industry 03
(b) What is meant by ‘Rating’ ? Who is rated ? What for ? 04
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(c) ‘Method design and work measurement process start simultaneously” Criticize the statement. 07 Q.4 (a) What do you understand by term ‘critical examination’? 03
(b) Explain use of films in method analysis. 04
(c) Discuss the principles of motion economy. 07
Q.5 (a) Explain procedure to carry out critical examination 03
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(b) Discuss the effects of working condition on productivity 04(c) Explain classification of movements and draw sketches showing normal and maximum working area. 07
Q.6 (a) State the applications of SIMO chart. 03
(b) Define qualified worker. 04
(c) Discuss the concept of standard time. Explain clearly the steps involved in arriving at standard time. 07
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Q.7 (a) What is the purpose of man-machine chart ? 03
(b) Discuss various types of allowances. 04
(c) The total observed time for an operation is 3.00 min. If the rating is 120 %, find normal time. If total allowances allowed are 10 % for that job, determine the standard time. 07
Q.8 (a) How would ergonomics help to analyze man — machine system? 03
(b) State the purpose of analytical estimating 04
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(c) How can work study improve productivity in machine shop? Explain with the help of suitable example 07--- Content provided by FirstRanker.com ---
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