When slack of an activity is zero, it falls only on critical path.

C.P.M technique is useful to minimize the direct and indirect expenses.

Critical path of a net work represents the minimum time required for completion of project.

all of the above

marketing programmes and advertising programmes

installation of machinery

research and development of products

all of these

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

all of the above

an activity consumes time and resources whereas an event do not consume time or resources.

The performance of a specific task is called an activity.

An event is an instantaneous point in time at which an activity begins or ends.

The turning of a job on lathe is an event whereas job turned is an activity.

maximum slack

minimum slack

zero slack

average slack