Question

The artificial activity which indicates that an activity following it cannot be started unless the preceding activity is complete, is known as-

• A. Dummy
• B. Total float
• C. Event
• D. Free float

Answer 1

Answer:

A. Dummy

Dummy activity is used to indicate that an activity following it cannot start unless the preceding activity is complete. It represents a logical precedence relationship and takes zero time and resources to perform. It is used to establish uniqueness in the network when two or more activities start from a single node and terminate at the same node