Slack time refers to_______________?
		A. an activity
B. an event
C. both event and activity
D. none of the above
		A. an activity
B. an event
C. both event and activity
D. none of the above
		A. Ice
B. Concrete
C. Loose sand
D. Earth
		A. should invest in neither of the two projects
B. could invest in either of the two projects
C. should invest in project A
D. should invest in project B
		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
		A. Drag line
B. Hoe
C. Clam shell
D. Dipper shovel
		A. Hoe
B. Shovel
C. Dragline
D. None of the above
		A. site investigation started
B. sessional work completed
C. bus starts from Jaipur
D. class is being attended