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Chemical Engineering Basics

Q1:

A dummy activity is used in PERT network to describe the

A precedence relationship.

B resource idleness.

C resource restriction.

D necessary time delay.

ANS:A - precedence relationship.

A dummy activity in a PERT (Program Evaluation and Review Technique) network is used to describe the precedence relationship between tasks or activities. It does not represent any actual work or consumption of resources but rather serves to indicate the logical dependency or sequencing between other activities. Dummy activities help to define the flow of work within the project network diagram. Therefore, the correct answer is: precedence relationship.

 



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