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UPSC Civil Service Exam Questions - Engineering

Q1:

Consider the following statements :
In the critical path method of construction planning free float can be
1. greater than total float
2. greater than independent float
3. equal to total float
4. less than independent float.
Of these statements :

A 1 and 4 are correct

B 2 and 3 are correct

C 3 and 4 are correct

D 1 and 2 are correct

ANS:C - 3 and 4 are correct

Only one statement is correct.

In critical path TF = FF =IF = 0, so only statement 3 is correct but if the critical path would not have been said then statement 2 and 3 are correct.