下图中活动“G”可以拖延____周而不会延长项目的最终结束日期。
- A.0
- B.1
- C.3
- D.4
正确答案及解析
正确答案
解析
试题分析本题可以依据网络图首先用顺推法，得出关键路径、项目总工期、每个活动的最早开始时间和最早完成时间，再用逆推法得到每个活动的最迟开始时间和最迟完成时间。最后，算出活动G的浮动时间。对本题而言，应注意虚活动增加的路径。本题的关键路径为D-H-C，项目总工期为12周，活动G所在的路径F-G有4周的浮动时间。
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