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Question 13 of 21

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Question 16 of 21

Question 13 of 21

2.0 Points Which of the following statements is true about a critical path? A. A critical path consists of activities for which early start time equals late start time. B. The activities along the critical path take the longest time. C. A critical path consists of activities for which early finish time equals late finish time. D. There is no slack in the activities along the critical path. E. All of the above Reset Selection

Question 14 of 21

2.0 Points The information calculated from the forward and backward pass can be used for: A. Identifying the critical path B. Calculating slack C. Determining the completion date of the project D. Both A and C E. A, B, and C F. Both A and B Reset Selection

Question 15 of 21

2.0 Points "Slack" refers to the difference between: A. Latest finish and earliest start times B. Latest finish and earliest finish times C. Latest start and earliest finish times D. Optimistic and pessimistic times E. None of the above Reset Selection

Question 16 of 21

2.0 Points Which of the following statements about critical path method (CPM) is true? A. It is an example of a variable time project scheduling method B. It is well suited when activity times are expected to vary C. It is well suited when activity times are fairly constant and can be reduced by spending more money D. It is well suited for R&D projects and for scheduling computer systems

Explanation / Answer

Question 13

The correct answer is option D.

Critical path activities refers to the tasks in project that should start and end in time to end the project on schedule. Slack time refers to the time by which a task can be delayed without affecting the another task or completion of the project. so, activities on critical path exhibit zero slack time.

ES = maximum (EF of all immediate predecessor)

EF = ES + duration

Minimum project duration = largest EF of all activities

LF = minimum (LS of all immediate successors)

LS = LF - duration

Question 14.

The correct answer is option E.

Critical path activities refers to the tasks in project that should start and end in time to end the project on schedule. Slack time refers to the time by which a task can be delayed without affecting the another task or completion of the project. so, activities on critical path exhibit zero slack time.

ES = maximum (EF of all immediate predecessor)

EF = ES + duration

Minimum project duration = largest EF of all activities

LF = minimum (LS of all immediate successors)

LS = LF - duration

Question 15

The correct answer is option B.

Slack time refers to the time by which a task can be delayed without affecting the another task or completion of the project. Slack is calculated by subtracting earliest start from late start and earliest finish from late finish.

Question 16

The correct answer is option C.

CPM refers to critical path method where shortest path is taken to plan the project. The objectives of CPM are: -

Project crashing is nothing the process by which the project duration is shortened which can be done by one or more critical path activities to less than its normal activity time. The critical path tasks whose costs of crashing are less are selected to keep the overall cost as less as possible.

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