mechanical engineering MCQs – Page 198

Practise multiple-choice questions from mechanical engineering for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

mechanical engineering Mcqs

1. compressors gas turbines and jet engines 2. theory of machines 3. nuclear power plants 4. engineering materials 5. strength of materials mechanical engineering 6. thermodynamics 7. heat transfer 8. i c engines 9. steam boilers engines nozzles and turbines 10. engineering mechanics 11. fluid mechanics mechanical engineering 12. production technology 13. machine design 14. hydraulic machines 15. workshop technology 16. refrigeration and air conditioning

3941. Pick up the correct statement. Dummy activity on a PERT/CPM chart means, it_________________?
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A. consumes time, but no resources

B. consumes resources but no time

C. consumes neither time nor resources

D. is a dangling event

E. consumes both resources and time

3942. Which of the following is not wage incentive plan_________________?
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A. Halsey plan

B. Taylor plan

C. Emerson plan

D. differential piece rate system

E. Rowan plan

3943. Monte Carlo solutions in queuing theory are extremely useful in queuing problems_________________?
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A. none of the above

B. involving multistage queuing

C. all of the above

D. that cant be analysed mathematically

E. to verify mathematical results

3944. Pick up the incorrect statement from the following. A critical ratio scheduling____________________?
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A. determines the status of each activity

B. establishes the relative priorities among various activities on a common basis

C. none of the above

D. adjusts automatically changes in activity progress

E. is a dynamic system

3945. Work study is concerned with_________________?
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A. improving present method and finding standard time

B. improving production planning and control

C. improving production capability

D. all of the above

E. motivation of workers

3946. String diagram is used_________________?
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A. for checking the relative values of various layouts

B. when a group of workers are working at a place

C. none of the above

D. all of the above

E. where processes require the operator to be moved from one place to another

3947. One of the basic essentials of an incentive plan is that_________________?
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A. a differential piece rate system should exist

B. minimum wages should be guaranteed

C. provide incentive to group efficiency performance

D. all standards should be based on time studies

E. all standards should be based on optimum standards of production

3948. Bar charts are suitable for_____________________?
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A. none of the above

B. large projects

C. all of the above

D. major works

E. minor works

3949. String diagram is used when__________________?
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A. all of the above

B. none of the above

C. idle time is to be reduced

D. material handling is to be done

E. team of workers is working at a place

3950. Which of the following equations is not in conformity with others______________?
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A. ability x motivation = performance

B. attitude x situation = motivation

C. performance x resources

D. knowledge x skill = ability

E. organisation performance x motivation = profits

3951. Pick up the correct statement about relationship between various floats______________________?
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A. free float > total float

B. free float = total float

C. independent float < free float

D. independent float > free float

E. independent float = total float

3952. Slack represents the difference between the___________________?
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A. proposed allowable time and the earliest expected time

B. latest allowable time and the normal expected time

C. latest allowable time and the earliest expected time

D. normal allowable time and the latest expected time

E. project initiation tune and actual starting time

3953. In PERT analysis, critical path is obtained by joining events having___________________?
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A. critical activities

B. #NAME?

C. zero sldck

D. #NAME?

E. dummy activities

3954. The linear programming techniques can be applied successfully to industries like_________________?
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A. food processing

B. banking

C. all of the above

D. iron and steel

E. oil and chemical

3955. The mathematical technique for finding the best use of limited resources in an optimum manner is known as___________________?
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A. operation research

B. break-even analysis

C. queuing theory

D. network analysis

E. linear programming

3956. Pick up the incorrect statement from the following?
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A. the arrows are drawn (to scale from) left to right

B. the head of the arrow indicates the end of,the activity!

C. the tail of the arrow indicates the start of the activity

D. an activity of the project is denoted by an arrow on the net work

E. each activity consumes a given time

3957. An event is indicated on the network by_________________?
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A. a number enclosed in a circle or a square

B. a straight line

C. a straight line with circles at the ends

D. an arrow

E. a dotted line

3958. The disadvantage of product layout is_________________?
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A. costly and complex production control

B. production time is longer, requiring more goods in inventory

C. high cost of inspection

D. high initial investment for the specialized facilities

E. skilled labour to operate machines

3959. Activity s,lack or float of any event on a PERT/CPM chart is represented by__________________?
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A. latest start time of succeeding event -earliest finish time of preceding event activity time

B. latest finish time of event earliest finish time of the event

C. none of the above

D. anyone of the above

E. latest start time of the event earliest start time of the event

3960. Micro motion study is__________________?
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A. analysis of a man-work method by using a motion picture camera with a timing device in the field of view

B. scientific, analytically procedure for determining optimum work method

C. study of man and machine conducted simultaneously

D. motion study of a sequence of operations conducted systematically

E. motion study* observed on enhanced time intervals

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