Mechanical Engineering MCQs

Page No. 62

The important file in making a PERT is__________________?


aan event can’t be accomplished until activities leading to it are completed


bno activity from any event can be started from preceding event till it is completed


clength of arrow has nothing to do with time


dall of the above


View Answer all of the above

Pessimistic time is___________________?


athe maximum time which an activity might require


bthe average time required for a job


cthe most probable time considering all conditions


dthe minimum time in which an activity can possibly be accomplished



In a PERT chart___________________?


aall activities should be numbered


bonly important activities should be numbered


conly critical activities are numbered


donly selected activities are numbered



In PERT analysis, critical path is obtained by joining events having___________________?


a+ve slack


b-ve slack


czero sldck


ddummy activities


View Answer zero sldck

Positive slack on a PERT indicates that project is________________?


aahead of schedule


bbeyond schedule


cas per schedule


don critical path


View Answer ahead of schedule

An event is indicated on the network by_________________?


aa straight line


ba number enclosed in a circle or a square


ca straight line with circles at the ends


da dotted line



Activity s,lack or float of any event on a PERT/CPM chart is represented by__________________?


alatest start time of succeeding event -earliest finish time of preceding event activity time


blatest start time of the event – earliest start time of the event


clatest finish time of event – earliest finish time of the event


danyone of the above


View Answer anyone of the above

Pick up the correct statement. Dummy activity on a PERT/CPM chart means, it_________________?


aconsumes time, but no resources


bconsumes resources but no time


cconsumes neither time nor resources


dis a dangling event



Slack of various events on the critical path in PERT/CPM chart___________________?


aincreases continuously


bdecreases continuously


cremains constant


dmay increase or decrease depending on various factors


View Answer remains constant

Descripancies of bar chart techniques are________________?


aDescripancies of bar chart techniques are________________?


bconsequential effects of lack in one activity on the finish date


cfree time available for an activity can’t be predicted


dall of the above


View Answer all of the above

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