# Civil engineer objective questions – Construction Management (Section-3)

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

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

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

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