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单选题 双代号网络图中的虚工作是( ).The dummy activity in the activity-on-arrow network diagram ( )
学科：Construction Organization and Schedule Management 施工组织与进度管理
时间：2024-07-05 16:12:20
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题目1单选题
双代号网络计划中,虚工作的作用是( ). In the activity-on-arrow network plan, the role of dummy activity is to ( )A. Correctly express the interval between two activitiesB. Correctly express the duration of related activitiesC. Correctly express the free float of related activitiesD. Correctly express the logical relationships between related activities
题目2单选题
网络计划的主要优点是( ).The main advantages of the network plan are ( )A. Simple preparationB. Intuitive and easy to understandC. Convenient calculationD. Clear activity logical relationship
题目3单选题
双代号网络图与单代号网络图的最主要区别是( ).The main difference between an activity-on-arrow network diagram and an activity-on-node network diagram is ( )A. The meanings of node and arrow are differentB. Different node numbersC. Different scopes of useD. Different calculation methods of time parameters
题目4单选题
双代号网络计划中,只表示前后相邻工作的逻辑关系,既不占用时间,也不耗用资源的虚拟的工作称为( ).In the activity-on-arrow network plan, a virtual activity that only represents the logical relationship between adjacent activities without consuming time or resources is called ( )A. Immediate predecessor activityB. Immediate successor activityC. Key activityD. Dummy activity
题目5单选题
在一个网络计划中,关键线路一般( ). In a network plan, there is usually ( ) critical pathA. Only oneB. At least oneC. More than twoD. It is impossible to determine how many there are
题目6单选题
双代号网络图中的虚工作是( ).The dummy activity in the activity-on-arrow network diagram ( )A. Consumes both time and resourcesB. Only consumes time, not resourcesC. Consumes neither time nor resourcesD. Consumes only resources, not time
题目7单选题
下列对双代号网络图绘制规则的描述不正确的是( ).Which of the following descriptions of the drawing rules for the activity-on-arrow network diagram is incorrect? ( )A. Circulation loops are not allowedB. Double-headed arrows can appear between nodesC. Arrows with no nodes at either the arrowhead or tail are not allowedD. It is preferable to avoid crossing of arrows
题目8单选题
在网络计划中,工作的最早开始时间应为其所有紧前工作( ).In the network plan, the earliest start time of activity shall be ( ) for all its immediate predecessor activitiesA. Maximum value of earliest finish timesB. Minimum value of earliest finish timesC. Maximum value of latest finish timesD. Minimum value of latest finish times
题目9单选题
当工作具有多个紧前和紧后工作时,该工作的最迟完成时间( ).When an activity has multiple immediate predecessor and successor activities, the latest finish time of the activity is ( )A. Maximum value of the latest finish times for all immediate successor activitieB. Maximum value of earliest finish times for all immediate predecessor activitiesC. Minimum value of the latest start times of all immediate successor activitiesD. Minimum value of the latest finish times for all immediate successor activities
题目10单选题
工作 E 有四项紧前工作 A、B、C、D,持续时间分别为:A=4、B=6、C=7、D=5,其最早开始时间分别为:A工作ES=8、B工作ES=6、C工作ES=6、D工作ES=10,则工作 B 的自由时差为( ).If activity E has four immediate predecessor activities A, B, C and D, with the duration of A=4, B=6, C=7 and D=5 respectively, and the earliest start time is ES=8 for activity A, ES=6 for activity B, ES=6 for activity C and ES=10 for activity D, so the free float of activity B is ( )A. 2B. 3C. 4D. 1
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