QuestionSeptember 19, 2025

The first task on the network diagram has an ES=1 True False

The first task on the network diagram has an ES=1 True False
The first task on the network diagram has an ES=1
True
False

Solution
4.5(316 votes)

Answer

False Explanation 1. Recall definition of ES (Early Start) in network diagrams ES is the earliest time a task can start, usually beginning at day 0 (or 1 if counting starts from 1). If day numbering starts at 0, ES of first task is 0; if from 1, ES is 1. 2. Common convention Most network diagrams start ES for the first task at 0, so ES=1 is generally false unless explicitly stated otherwise.

Explanation

1. Recall definition of ES (Early Start) in network diagrams <br /> ES is the earliest time a task can start, usually beginning at day 0 (or 1 if counting starts from 1). If day numbering starts at 0, ES of first task is 0; if from 1, ES is 1. <br />2. Common convention <br /> Most network diagrams start ES for the first task at 0, so ES=1 is generally false unless explicitly stated otherwise.
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