Test 4 (Chapters 11-12) 1) PERT and CPM are quantitative analysis tools designed

Question

Test 4 (Chapters 11-12) 1) PERT and CPM are quantitative analysis tools designed to schedule and control large projects 2) A PERT/CPM network is a graphical display of a project that connects activities. 3) The critical path of a network is the A) shortest time path through the network. B) path with the fewest activities. C) path with the most activities. D) longest time path through the network. 4) Slack time in a network is the A) amount of time that an activity would take assuming very unfavorable conditions. B) shortest amount of time that could be required to complete the activity. C) amount of time that you would expect it would take to complete the activity. D) amount of time that an activity can be delayed without delaying the entire project. 5) The first step in planning and scheduling a project is to develop the A) employee scheduling plan. B) PERT/CPM network diagram. C) critical path. D) work breakdown structure. 6) Which of the following is not a concept associated with CPM? A) normal time B) probability C) normal cost D) crash cost 7) Given an activity's optimistic, most likely, and pessimistic time estimates of 4, 6, and 14 days respectively, compute the PERT expected activity time for this activity. A) 8 B) 6 C) 7 D) 9 8) Given the following small project, the critical path is days. Activity Predecessor Time (days) 10 A) 10 B) 14 C) 16 D) 20

Explanation / Answer

Solution:

1. Pert and CPM charts are quantitative analysis tools desinged to schedule and contol large project. - True

becuase it tells about minimum time to complete any project, slack time etc.

2. Pert and CPM network is the graphical display of a project that connects activities - True

Pert and CPM networks connects all the activities.

3. (a):

The critical path of a network is the shortest time path through the network.

4(d);

The slack time in a network is the amount of time that an activity can be delayed without delaying entire project.

5(d): the first step in planning and scheduling a project is to develop is the work breakdown structure.

6(b): Probability concept is not associated with cpm methodology. Probability is associted with PERT technology.

7. (C):

E = (4+(4*6)+14)/6 = 42/6 = 7

8(A) Critical path = 6+4 = 10days

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