ME-504-A Industrial Engineering and Ergonomics - May 2024 Question Paper

Under each question, How to answer lists the points an answer should cover, outlined by CampusPrep from the syllabus. Check the details against your textbook.

1. 7 Marks
   aDefine SIMO chart, Explain briefly it's construction and operation.
   How to answer

   • Definition of SIMO chart - Simultaneous Motion chart for micromotion analysis
   • Construction - two columns for left and right hand, therbligs symbols and time scale
   • Operation / procedure to record and analyse simultaneous motions
   • Use in method improvement and cycle time reduction
2. 7 Marks
   bWhat is the Memo motion Study? And how it is useful in method study explain.
   How to answer

   • Definition of Memo motion study - high speed photography / frame-by-frame analysis
   • Procedure - filming, playback at slow speed
   • Usefulness in method study - detailed motion analysis, training, standard data
3. 7 Marks
   aAn operator was kept under observation for 20 days. He was found working 300 occasions out of 400 observations. He produced 20 jobs during these days. The observation per day was only for four hours. Consider a performance rating of 140 for the operator and 30 percent as allowance. Calculate standard time.
   How to answer

   • Calculate total observed time = 20 days x 4 hours
   • Calculate working fraction = 300/400
   • Calculate normal time using rating 140
   • Add 30% allowance to get standard time per job
4. 7 Marks
   bWrite the purpose of work measurement.
   How to answer

   • Definition of work measurement
   • Purposes - setting standards, costing, incentives, planning
   • Use in productivity improvement and control
5. 7 Marks
   aDefine Method study .How do you carry it out? Explain the steps to be followed with suitable example.
   How to answer

   • Definition of method study
   • Procedure to carry out method study
   • Steps - select, record, examine, develop, install, maintain
   • Illustration with suitable example
6. 7 Marks
   bWrite the difference between standard time and normal time.
   How to answer

   • Definition of normal time - rated time without allowances
   • Definition of standard time - normal time plus allowances
   • Key differences in formula and purpose
   • Example calculation distinction
7. 7 Marks
   aExplain in brief coding and selecting of sensory inputs?
   How to answer

   • Meaning of sensory inputs in ergonomics
   • Coding principles - visual, auditory, tactual codes
   • Selection criteria - compatibility, speed, accuracy
8. 7 Marks
   bExplain the man machine system and types of man machine systems.
   How to answer

   • Definition of man-machine system
   • Concept of closed-loop interaction
   • Types - manual, mechanical, automated systems
   • Examples of each type
9. 7 Marks
   aDefine anthropometry and explain its importance with suitable example.
   How to answer

   • Definition of anthropometry
   • Importance in workplace and product design
   • Static vs dynamic measurements
   • Suitable example - seat, workstation design
10. 7 Marks
    bWhat are visual display and how it could be made effective. And write the characteristics of tactual display.
    How to answer

    • Definition of visual display
    • Methods to make visual display effective - legibility, contrast, layout
    • Definition of tactual display
    • Characteristics of tactual display
11. 7 Marks
    aWrite a short note on relative capabilities of human being and machines.
    How to answer

    • Human capabilities - sensing, decision, flexibility
    • Machine capabilities - speed, power, consistency
    • Comparison table of relative capabilities
    • Implication for function allocation
12. 7 Marks
    bWhat are the types of body measurements. Explain in detail.
    How to answer

    • Meaning of body measurements in anthropometry
    • Types - static, dynamic, structural, functional
    • Detail of each type with measurement method
    • Application in design
13. 7 Marks
    aBriefly explain the human factors in work study.
    How to answer

    • Meaning of human factors / ergonomics in work study
    • Physiological and psychological factors
    • Effect on efficiency, safety and fatigue
    • Consideration in method and workplace design
14. 7 Marks
    bDefine work factor and give the classification of work factor with their characteristics.
    How to answer

    • Definition of work factor system
    • Classification - basic motions and variables
    • Characteristics of each class - distance, control, weight
    • Use in predetermined time standards
15. 14 Marks
    Explain the following :

    1. a)Gantts task and bonus plan
    2. b)Travel chart
    3. c)Allowances
    How to answer

    • Gantt task and bonus plan - features and incentive formula
    • Travel chart - purpose in layout and movement analysis
    • Allowances - types: personal, fatigue, delay and calculation