首页/ 题库 / [单选题]已知某写字楼工程双代号网络计划的计划工期的答案

已知某写字楼工程双代号网络计划的计划工期等于计算工期,且工作F的完成节点为关键节点,则该工作()。

单选题
2021-12-30 06:18
A、为关键工作
B、自由时差小于总时差
C、自由时差为零
D、自由时差等于总时差
查看答案

正确答案
D

试题解析
工作F的完成节点为关键节点,则此节点的最早时间与最迟时间相等,工作F的总时差等于节点的最迟时间减去工作F的最早完成时间;该工作的自由时差等于节点的最早时间减去工作F的最早完成时间,故在数值上是相等的。

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