In time-cost optimization of a project, crashing is done____________?
(A) on all the activities
(B) on all the activities lying on the critical path
(C) only on activities lying on the orginal critical path and having flatter cost slopes
(D) on original critical activities and those that become critical at any stage of crashing in the order of ascending cost slope
The time with which direct cost does not reduce with the increase in time is known as_________________?
(A) crash time
(B) normal time
(C) optimistic time
(D) standard time
The direct cost of a project with respect to normal time is________________?
(A) minimum
(B) maximum
(C) zero
(D) infinite
Economic saving of time results by crashing_________________?
(A) cheapest critical activity
(B) cheapest non-critical activity
(C) costliest critical activity
(D) costliest non-critical activity
Slack time refers to_______________?
(A) an activity
(B) an event
(C) both event and activity
(D) none of the above
The constraints in case of resource smoothening operation would be_______________?
(A) resources
(B) project duration time
(C) both resources and project duration time
(D) none of the above
Crash project duration is obtained by summing the________________?
(A) normal durations for all the activities
(B) crash durations for all activities
(C) crash durations for all the activities along the critical path obtained by taking into account the normal duration for all the activities
(D) crash durations for all the activities along the critical path obtained by taking into account the crash duration for all the activities
Which of the following earth moving machines has the shortest cycle time?
(A) Drag line
(B) Hoe
(C) Clam shell
(D) Dipper shovel
For a given size of bucket, the ideal output of a dragline will be least in_______________?
(A) Moist loam
(B) Sand and gravel
(C) Good common earth
(D) Wet sticky clay
Assertion A: For a given depth of cut, the output of a power shovel can be increased by decreasing the angle of swing Reason R: If the angle of swing is decreased, the cycle time will be decreased_______________?
(A) Both A and R are true and R is the correct explanation of A
(B) Both A and R are true but R is not the correct explanation of A
(C) A is true but R is false
(D) A is false but R is true