GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-VII (NEW) EXAMINATION — WINTER 2017
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Subject Code: 2172502 Date: 02/11/2017
Subject Name: Productivity Improvement Methods
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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MARKS
Q.1 (a) Differentiate production and productivity in light of economic progress of India. Take an example of ship breaking industries. 03
(b) Discuss causes of low productivity and techniques to overcome them. 04 Consider example of foundries in the region, with a special focus on labour productivity aspect.
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(c) Define method study. Take an example of a manufacturing industry, and discuss economic, technical and human factors’ consideration in selection of a job for study. 07
Q.2 (a) Discuss importance of productivity measurement, and the role production engineers can play in it. Give example of machining industries. 03
(b) Discuss Outline process chart and its usefulness in factoring the overall operations involved in process. Draw an OPC for drilling 5 mm hole in a blank. 04
(c) What is a flow process chart? Classify flow process charts. Draw a material-type flow process chart for a job of first turning on a lathe and then drilling a 12 mm hole in this job. Show all symbols and imagine activity times and distance between machines/shops. 07
OR
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(c) What is a man-machine chart? Discuss main purposes of constructing a man-machine chart. Construct a man-machine chart wherein you can demonstrate that one person can look-after work on two machines. Take any imaginary example. 07
Q.3 (a) Write a brief note on construction of a SiMo chart. 03
(b) Discuss principles of motion economy while designing a work place layout. 04
(c) Discuss diagramming as a recording technique. Discuss construction of a string diagram for a waiter at a popular pizza joint. 07
OR
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Q.3 (a) Define and describe key Objectives of work measurement. 03
(b) Write a brief note on Therbligs and PMTS. 04
(c) Construct a time study observation sheet for 5 cycles of operation of drilling a 5 mm hole in a blank (assume the time), with following activities: 07
- Loading the blank
- Locating the work piece under the drill
- Drilling
- Unloading
- Deburring
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How can this be further taken up in determining the standard time for the drilling operation?
Q.4 (a) Define ergonomics and enlist its principles. 03
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(b) Discuss effect of environment on performance of worker, with suitable illustration. 04
(c) Write a brief note on Performance Rating, Wage Payment & Incentive Plans. Justify why a notion of ‘standard worker’ is followed while determining standard time. 07
OR
Q.4 (a) Write a brief note on work sampling. 03
(b) Describe ergonomics in light of designing a Man-machine system interface. Take an example of ergonomic design for furniture for data entry operators. 04
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(c) Discuss importance of understanding human behavior while designing equipment. Take an example of medical instrumentation and gadgets. 07
Q.5 (a) Define and enlist advantages of BPR. 03
(b) Discuss situations that fails BPR exercise. Take any suitable example. 04
(c) Discuss implementation methodology of BPR. Take a suitable example. 07
OR
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Q.5 (a) Discuss why it is considered crucial to know as to ‘when to reengineer’. 03
(b) Write a brief note on productivity scenario in public sector enterprises, and the changes that have come in recent years 04
(c) Discuss activities carried out by National Productivity Council, in advocating and counseling productivity improvement. 07
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