The disadvantage of product layout is_________________?

A. high initial investment for the specialized facilities
B. skilled labour to operate machines
C. production time is longer, requiring more goods in inventory
D. high cost of inspection
E. costly and complex production control

The assumption in PERT is__________________?

A. a project will always be behind schedule, if left uncorrected
B. cost of project will always be more than the estimated cost, if no timely corrections are taken
C. a project can be subdivided into a set of predictable, independent activities
D. activities are fixed and can’t be changed ,
E. commissioning time can be changed, if activities are behind schedule

String diagram is used_________________?

A. for checking the relative values of various layouts
B. when a group of workers are working at a place
C. where processes require the operator to be moved from one place to another
D. all of the above
E. none of the above

The important file in making a PERT is__________________?

A. an event can’t be accomplished until activities leading to it are completed
B. no activity from any event can be started from preceding event till it is completed
C. length of arrow has nothing to do with time
D. every activity must be completed before end point is reached
E. all of the above

One ton of the refrigeration is_________________?

A. the standard unit used in refrigeration problems
B. the cooling effect produced by melting 1 ton of ice
C. the refrigeration effect to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours
D. the refrigeration effect to produce 1 ton of ice at NTP conditions
E. the refrigeration effect to produce 1 ton of ice in 1 hour time

Work study is most useful_______________?

A. where production activities are involved
B. in judging the rating of machines
C. in improving industrial relations
D. in judging the output of a man and improving it
E. where men are biggest contributor to success of a project