Civil Engineering MCQs

Page No. 129

Which of the following excavators is most suitable for digging under water?


a Drag line


bHoe


cClam shell


d Dipper shovel


View Answer Drag line

A tractor whose weight is 20 tonnes has a drawbar pull of 2500 kg, when operated on a level road having a rolling resistence of 30 kg per tonne. If this tractor is operated on a level road having a rolling resistance of 40 kg per tonne, then the drawbar pull of the tractor will________________?


a reduce by 200 kg


b increase by 200 kg


cincrease by 250 kg


dreduce by 250 kg


View Answer reduce by 200 kg

Interfering float is the difference between__________________?


atotal float and free float


btotal float and independent float


cfree float and independent float


dnone of the above



Updating may result in_________________?


achange of critical path


b decrease of project completion time


c increase of project completion time


dall of the above


View Answer all of the above

The normal time required for the completion of project in the above problem is_______________?


a 9 days


b13 days


c14 days


d19 days


View Answer 14 days

The process of incorporating changes and rescheduling or replanning is called_______________?


aresource levelling


b resource smoothening


cupdating


d critical path scheduling


View Answer updating

The reduction in project time normally results in_______________?


a decreasing the direct cost and increasing indirect cost


bincreasing the direct cost and decreasing the indirect cost


c increasing the direct cost and indirect cost both


d decreasing the direct cost and indirect cost both



The time by which a particular activity can be delayed without affecting the preceding and succeeding activities is known as_______________?


atotal float


b free float


c interfering float


d independent float


View Answer independent float

A father notes that when his teenage daughter uses the telephone, she takes not less than 6 minutes for a call and som? times as much as an hour. Fifteen minutes call are more frequent than calls of any other duration. If these phone calls were an activity in PERT project, then phone calls expected duration will be_______________?


a15 minutes


b20.143 minutes


c21 minutes


d 27 minutes


View Answer 21 minutes

Critical path_____________?


ais always longest


bis always shortest


cmay be longest


dmay be shortest


View Answer is always longest

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