ME-504-A Industrial Engineering and Ergonomics - Dec 2025 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
   aDiscuss the purpose, objective and applications of work study in manufacturing industries.
   How to answer

   • Define work study - method study + work measurement
   • Purpose and objectives - productivity, cost, working conditions
   • Applications in manufacturing - method improvement, standard time, incentives
2. 7 Marks
   bDiscuss micro-motion study and memo-motion study and also explain their applications in improving productivity.
   How to answer

   • Define micro-motion study - therbligs, simo chart
   • Define memo-motion study - time-lapse photography principle
   • Comparison of procedure and equipment
   • Applications in productivity improvement
3. 7 Marks
   aDefine work measurement. Explain its objectives and basic procedure.
   How to answer

   • Define work measurement
   • List objectives - standard time, costing, incentives
   • Outline basic procedure steps
4. 7 Marks
   bDerive an expression for the Economic Batch Size (EBS) in a production system in terms of: Clearly state the assumptions made in the derivation.

   1. i)Setup cost per batch
   2. ii)Daily production rate
   3. iii)Daily demand (requirement) rate
   4. iv)Inventory carrying cost per unit per year
   How to answer

   • State assumptions - constant demand, production rates
   • Formulate total cost = setup cost + carrying cost
   • Differentiate and set to zero for optimum
   • Present final EBS formula
5. 7 Marks
   aCompare time study and work sampling methods. Highlight their advantages.
   How to answer

   • Define time study and work sampling
   • Compare principle, procedure, cost, accuracy
   • Advantages of time study
   • Advantages of work sampling
6. 7 Marks
   bWhat is incentive scheme? Explain Halsey and Taylor with suitable example.
   How to answer

   • Define incentive scheme and its purpose
   • Explain Halsey plan with formula and example
   • Explain Taylor differential piece-rate with example
   • Comparison / merits
7. 7 Marks
   aExplain in detail predetermined motion time systems (PMTS).
   How to answer

   • Define PMTS concept and need
   • Describe types - MTM, Work Factor, Basic Motion Time
   • Procedure to use PMTS
   • Advantages and limitations
8. 7 Marks
   bExplain Methods Time Management. Define its principle and advantages.
   How to answer

   • Define Methods Time Measurement / Management
   • Explain basic principles
   • Outline procedure
   • List advantages and applications
9. 7 Marks
   aDefine human factor engineering and explain its historical development.
   How to answer

   • Define human factors engineering / ergonomics
   • Trace historical development - Taylor, Gilbreth, wars
   • Modern scope and objectives
10. 7 Marks
    bExplain information input and processing in human factors engineering.
    How to answer

    • Define information input in man-machine system
    • Explain sensory channels and processing model
    • Explain decision, memory, attention
    • Ergonomic implications
11. 7 Marks
    aDescribe different types of visual displays and visual indicators.
    How to answer

    • Define visual displays and indicators
    • Classify - quantitative, qualitative, check, signal
    • Give examples of each type
    • Design criteria
12. 7 Marks
    bExplain anthropometric data and its importance in ergonomic design.
    How to answer

    • Define anthropometric data - static and dynamic
    • Sources and percentiles concept
    • Importance in workplace, tool, safety design
    • Examples
13. 7 Marks
    aExplain the application of anthropometric data in the design of display and control systems.
    How to answer

    • Role of anthropometry in display-control layout
    • Reach, vision, clearance considerations
    • Control-display compatibility principles
    • Examples - panel, cockpit, workstation
14. 7 Marks
    bExplain warning signals. Discuss factorial and grapic displays with suitable examples.
    How to answer

    • Define warning signals - visual and auditory
    • Explain factorial / pictorial displays
    • Explain graphic displays with examples
    • Design requirements for effectiveness
15. 7 Marks
    aA manufacturing company produces 4800 units per day, while the demand for the product is approximately half of the production rate. The setup cost per batch is 1000 and the inventory carrying cost is 5 per unit per year. The annual demand is 4,80,000 units. Determine the optimal batch (lot) size for the product.
    How to answer

    • Write EBS / EPQ formula $Q^* = \sqrt{2DS/[H(1-d/p)]}$
    • Substitute $D=480000, S=1000, H=5, d/p=0.5$
    • Compute optimal batch size
    • State result in units
16. 7 Marks
    bExplain coding and selection of sensory inputs.
    How to answer

    • Define sensory inputs and coding need
    • Explain coding methods - shape, colour, size, labelling
    • Criteria for selection of sensory channel
    • Examples