Civil Engineering MCQs

PERT Analysis Questions with solutions MCQs

1. The time estimates obtained from four contractors P, Q, R and S for executing a particular job are: P(5,10,13), Q(6,9,12), R(5,10,14), S(4,10,13). Which one of the contractors is more certain about completing the work in time?

A

Contractor P

B

Contractor Q

C

Contractor R

D

Contractor S

PERT Analysis J.E Civil 2023
Correct Answer : B
Explanation :

Certainty depends on standard deviation = (Pessimistic−Optimistic)/6. Lowest for Q = (12−6)/6 = 1. Hence Q is more certain.

Correct Answered :

Wrong Answered :

2. A project takes 20 days along the critical path and has a standard deviation of 4 days. How many days does it take to complete the project?

A

20 days

B

24 days

C

18 days

D

16 days

PERT Analysis J.E Civil 2023
Correct Answer : A
Explanation :

The expected project duration is the critical path length = 20 days.

Correct Answered :

Wrong Answered :

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