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2003 Course Ergonomics & Human Factors in Eng.

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Total No. of Questions : 12] [Total No. of Pages : 3 P1334 [3764] - 193 B.E. (Production S/W) ERGONOMICS AND HUMAN FACTORS IN ENGINEERING (2003 Course) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) Answer three questions from each Section - I and three questions from section II. 2) Figures to the right indicate full marks. 3) Neat diagrams must be drawn wherever necessary. 4) Assume suitable data if necessary. SECTION - I Q1) a) b) Define Ergonomics. State the objectives, doctrines used. Explain significance of warnings in brief. [8] [8] OR Q2) a) b) c) Write a note on concept of percentile. Describe the utility of work study in today s situation. What are the requirements for designing a safe product? Q3) a) Explain the concept of work spaces and discuss the work space envelopes for seated personnel. [8] Explain the considerations for designing a seated work surface. [8] b) [4] [6] [6] OR Q4) a) b) c) Explain the concept of backlash and deadspace in designing of controls. Explain the difference between them. [8] What are the types of data used in arranging components. [4] Write a note on design of two hand controls. [4] P.T.O. Q5) a) Explain different considerations for lighting of VDT. [6] b) Write a note on individual differences and heat stress. [6] c) Explain heat exchange process in brief and discuss how sweating is helpful in maintaining body equilibrium. [6] OR Q6) a) Discuss the concept of hearing loss and explain the types and effects of occupational hearing loss. [6] b) How is the noise controlled at the receivers end? [6] c) What do you mean by clo? Discuss the importance of proper clothing and clo value? [6] SECTION - II Q7) a) b) Explain various limits of MMH Task Design. [8] What are learning curves? Explain their use in HFE. [8] OR Q8) a) Discuss effects of methods of work, work posture and work rate on energy consumption. [6] b) Define VO2max. How is the heart rate used for calculating VO2max? [4] c) Differentiate between aerobic glycolysis and anaerobic glycolysis. Explain their significance in physical work. [6] Q9) a) Write a note on Carpel Tunnel Syndrome. Discuss how it is minimized. [6] Write a note on Work Rest Cycle. [4] What are the design considerations for Accelerator and Brake Pedals of an Automobile. [6] b) c) OR [3764]-193 2 Q10)a) b) c) Q11)a) b) What do you mean by tissue compression stress? Explain its significance in Hand Tool Design. [6] Explain significance of C/R Ratio in detail. [4] What is Hand Arm Vibration Syndrome? Explain in brief. [6] Discuss in brief the steps involved in getting the standard time using MTM - 1. [8] Mention the benefits of Pre-determined time standards. What is MTM? Describe any four elements of MTM - 1. [10] OR Q12)a) b) What is WFS? What are its types? Explain Detailed WFS in brief.[12] Explain the Reach element used in MTM - 1? What are its classes. [6] vvvv [3764]-193 3

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