项目经理在为某项目制定进度计划时绘制了如下所示的前导图(如图2所示)。图中活动E和活动B之间为结束-结束关系,即活动E结束后活动B才能结束,其它话动之间的关系为结束-开始关系,即前一个活动结束,后一个活动才能开始。

图2
【问题1】(6分〉
请指出该网络图的关键路径并计算出项目的计划总工期。
【问题2】(8分)
根据上面的前导图,活动C的总时差为(1)天,自由时差为(2)天。
杨工是该项目的关键技术人员,他同一时间只能主持并参与一个活动.若杨工要主持并参与E、C.I三个活动,那么项目工期将比原计划至少推迟(3)天.在这种情况下杨工所涉及的活动序列(含紧前和紧后活动)为( 4 )。
请将上面(1)到(4))处的答案填写在答题纸的对应栏内
【问题3】(4分)
针对问题2所述的情形,若仍让杨工主持并参与E、C.I三个活动,为避免项目延期,请结合网络图的具体活动顺序叙述项目经理可采取哪些措施。
正确答案及解析
正确答案
解析
【问题1】(6分)
关键路径:AEFJ(2分),和AGHIJ(2分)
计划总工期:13天(2分)
【问题2】(8分,每个2分)
(1)1 (2)0 (3)1 (4)AECIJ
【问题3】(4分)
在活动A或E或C或I或J处赶工(2分),包括加班、改进技术、增加资源措施。(2分)
包含此试题的试卷
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