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55.

PERT has following time estimate

A.	one time estimate	B.	two time estimate
C.	three time estimate	D.	four time estimate

56.

Pick up the incorrect statement about advantages of work sampling

A.	permits a fine breakdown of activities and delays	B.	simultaneous study of many operators may be made by a single observer
C.	calculations are easier, method is economical and less time consuming	D.	no time measuring devices are generally needed

57.

Process layout is employed for

A.	batch production	B.	continuous type of product
C.	effective utilization of machines	D.	all of the above

58.

Product layout is employed for

A.	batch production	B.	continuous production1
C.	effective utilisation of machine	D.	all of the above

59.

Queuing theory deals with problems of

A.	material handling	B.	reducing the waiting time or idle Jajme
C.	better utilization of man services	D.	effective use of machines

60.

Routing is essential in the following type of industry

A.	assembly industry	B.	process industry
C.	job order industry	D.	mass production industry

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