For all the events along the critical path, the slack is

An event is

Which of the following is a dummy activity?

PERT adopts

Which of the following surfaces will give highest rolling resistance for a , rubber tyred vehicle?

If the path of activities leads back into itself, the resulting error in the network is known as

Interfering float is the difference between

If the probability factor is zero, the chances of completing the project in the scheduled time are

Identify the odd man out