In a PERT/CPM diagram, how does the slack time of activities on the critical path behave?

Production Technology MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

PPSCFPSCNTSPakistan govt jobs
Subject
Production Technologymechanical-engineering-mcqs › production-technology
Published
27 Jan 2019
Last updated
28 May 2026

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Explanation

Activities on the critical path have zero slack, meaning their slack time does not change and remains constant throughout the project.

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