1. Slack time in PERT analysis
a ) can never be greater than zero
b ) is always zero for critical activities
c ) can never be less than zero
d ) is minimum for critical events
2. The area under the 3 – curve is divided into two equal parts by
a ) expected time
b ) optimistic time
c ) pessimistic time
d ) most likely time
3. For a curve , larger the variancea
a ) greater will be the uncertainty
b ) smaller will be the uncertainty
c ) not related with the uncertainty
d ) all of the above
4. If for an activity optimistic time is 1 day , pessimistic time is 11 days and most likely time is 3 days then the expected time is
a ) 3 days
b ) 4 days
c ) 5 days
d ) 6 days
5. Of the following , the PERT event is
a ) fixing of doors
b ) plastering of walls
c ) concrete cured
d ) selection of sites
6. PERT analysis is based on
a ) optimistic time
b ) pessimistic time
c ) most likely time
d ) all of the above
7. SLACK time refers to an
a ) event
b ) activity
c ) both
d ) none of above
8. The minimum number of years required to complete any research project may be
a ) one year
b ) two year
c ) three year
d ) any of the above
9. An event is indicated on the network by a number enclosed in
a ) a circle
b ) square
c ) a triangle
d) an ellipse
e) all of above
10. In PERT analysis, the start and end of the event is represented by
a ) activity
b ) event
c ) task
d ) work
11. The probability of completion of any activity within its expected time in PERT is
a ) 0 %
b ) 50 %
d ) 100 %
c ) 75 %
12. If the probability factor is zero, the chances of completing the project in the scheduled time are
a ) 0 %
b ) 50 %
c ) 75 %
d ) 100 %
13. In PERT analysis , the time estimates of activities and probability of their occurrence follow a
a ) normal distribution curve
b ) ß distribution curve
c ) poissions distribution curve
d ) binominal distribution curve
14. Negative slack occurs
a ) when latest allowable time is greater than earliest expected time
b ) when events stick to their schedule
c ) when deficiency of resources exist
d ) none of the above
15. A stage or point where all previous jobs merging in it are completed and all further jobs bursting out are still to be completed is known as a
b ) event
a ) activity
c ) duration
d ) none of the above
16. You are going to design a new computer programme, which would you like to prefer?
a ) bar chart
b ) milestone chart
c ) CPM
d ) PERT
17. Bar chart is used for the minor project, CPM is used for repetitive work while PERT is used for
a ) repetitive type of work
b ) limited time and unlimited resources types of work
c ) uncertainty time and resources types of work
d ) all of the above
18. Standard deviation when the optimistic time is 1 day. pessimistic time is 11 days and most likely time is 3 days
a ) 2 days
b ) 3.5 days
c ) 3 days
d ) 1.67 days
19. In PERT, pessimistic time is
a ) the minimum time in which any activity can possibly be accomplished.
b ) the maximum time which an activity might require
c ) the time which has the highest probability of occurrence
d ) none of the above
20. In PERT, the most likely time is
a ) the minimum time in which any activity can possibly be accomplished
b ) the maximum time which an activity might require
c ) the time which has the highest probability of occurrence
d ) none of the above
21. If a is the optimistic time , b is the pessimistic time and m is the most likely time , then the average time is equal to
a) (a + b + m)/6
b ) (a + 2b + m)/6
c ) (a + 2b + 4m)/6
d ) (a + 4m + b)/6
22. In PERT analysis the actual performance of the task is known as
a ) activity
b ) event
c ) task
d ) work
23. Line of balance technique is used for
a ) planning of an project
b ) planning of an activity
c ) planning of an event
d ) comparison of actual progress with the scheduled progress
24. In PERT, an optimistic time in which any activity can possibly be accomplished
a ) the minimum time in which any activity can possibly be accomplished
b ) the maximum time which an activity might require
c ) the time which has the highest probability of occurrence
d ) none of the above