Critical Path Net Work helps an engineer_________________?

A. to concentrate his attention on critical activities
B. to divert the resources from non-critical advanced activities to critical activities
C. to be cautious for avoiding any delay in the critical activities to avoid delay of the whole project
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

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