某项目的工期为40周，每周可以使用12个小时，若用于完成该项目所有活动的资源只有192个工时，则此时项目资源使用率为 （ ） 。
- A.0.2
- B.0.4
- C.0.8
- D.1
正确答案及解析
正确答案
解析
项目的资源使用率=项目资源/项目完成需要工时。由于项目工期为40周，每周为12个小时，项目完成需要480个工时，但是项目资源只有192个，因此项目的资源使用率为192/480=0.4。
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