3. When slack of an activity is positive

it represents a situation where extra resources are available and the completion of project is not delayed
it represents that a programme falls behind schedule and additional resources are required to complete the project in time
the activity is critical and any delay in its performance will delay the completion of whole project
any one of the above
✅ The correct answer is option A.

9. The correct sequence of phases in value engineering is

creative phase, information phase, investigation phase, evaluation phase
information phase, creative phase, investigation phase, evaluation phase
investigation phase, information phase, creative phase, evaluation phase
creative phase, invest
✅ The correct answer is option A.

10. Slack represents the difference between the

earliest completion time and latest allowable time
latest allowable time and earliest completion time
earliest completion time and normal expected time
latest allowable time
✅ The correct answer is option A.