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Which of these is a dummy activity? — Answer & Solution | Civexa

Construction Management · Network Analysis

Network Analysis MCQ with answer and solution

Which of these is a dummy activity?

Solution

Concept

Dummy and waiting activities

Step-by-step solution

1. Excavation, laying and curing are physical activities using resources. 2. Waiting for material arrival uses no resource and only shows dependence.

Explanation

The key treats the waiting step as the dummy.

Why the other options are wrong

Others consume resources.

Correct answer: C) Awaiting the arrival of concrete material

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