Industrial Engineering Objective Questions with Explanations

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16. Dummy activities are used in a network to-

A. facilitate computation of slacks

B. avoid the use of resources

C. satisfy precedence requirement

D. determine project completion time

Click for Answer/Explanation

Correct Answer is C

17. Classifying items in A, B and C categories for selective control in inventory management is done by arranging items in the decreasing order of-

A. Annual usage value

B. Item value

C. Item demand

D. total inventory costs

Click for Answer/Explanation

Correct Answer is A

18. The aim of value engineering is to-

Read More- Physical Quantities and Measurements Short Notes

A. determine the selling price of a product

B. minimize the cost without a change in the quality of the product

C. find the depreciation value of a machine

D. All the above

Click for Answer/Explanation

Correct Answer is B

19. Which of the following hand-motion belongs to ‘Therbligs’ in motion study-

  1. Unavoidable delay
  2. Preposition
  3. Select
  4. Reach

A. 1 and 4

B. 1, 2 and 3

C. 2, 3 and 4

D. 1 and 2

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Explanation of the Answer

Correct Answer is B i.e Options 1, 2 and 3

There are 18 Therbligs that basically talks about the fundamental hand motions of a work cycle.

The 18 therbligs are:

  1. Assemble
  2. Disassemble
  3. Avoidable Delay
  4. Unavoidable Delay
  5. Search
  6. Transport Loaded
  7. Transport Empty
  8. Plan
  9. Rest
  10. Position
  11. Find
  12. Inspect
  13. Preposition
  14. Grasp
  15. Use
  16. Hold
  17. Select
  18. Release load

Note: If you reverse the word “Therblig” and transposing ‘th’ you would find the name of the creator Frank Bunker Gilbreth and Lillian Moller Gilbreth.

20. The variance of the completion time for a project is the sum of the variance of-

A. All activity times

B. Critical activity times

C. Non-critical activity times

D. Activity times of first and the last activities of the project

Click for Answer/Explanation

Correct Answer is B

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