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2.

A Term NOT used in the discussion of PERT/CPM analysis is

Activity
Critical Path
Networks
Slack
Feasibility

Correct Answer

A. Feasibility

Explanation

This question asks for a term that is not used in the discussion of PERT/CPM analysis. PERT/CPM analysis is a project management technique used to plan and control the scheduling of tasks in a project. The terms activity, critical path, networks, and slack are all commonly used in the discussion of PERT/CPM analysis as they are key concepts in this methodology. However, feasibility is not directly related to PERT/CPM analysis. Feasibility refers to the assessment of whether a project is technically and economically viable. While feasibility may be considered in the overall project management process, it is not a specific term used in the discussion of PERT/CPM analysis.

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3.

It is possible for a project network to have more than one critical path?

Yes
No

Correct Answer

A. Yes

Explanation

A critical path is the longest path in a project network that determines the minimum time required to complete the project. It consists of a series of dependent activities that must be completed in a specific order. In some cases, there may be multiple paths in the network that have the same duration and are equally critical. This means that if any activity on any of these paths is delayed, it will directly impact the project's overall completion time. Therefore, it is possible for a project network to have more than one critical path.

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4.

Critical path tasks always have zero slack

True
False

Correct Answer

A. True

Explanation

The statement is true because critical path tasks are the tasks that must be completed in order to complete a project on time. These tasks have no flexibility in terms of time and any delay in their completion will directly impact the overall project timeline. Therefore, critical path tasks always have zero slack, meaning there is no room for delay or slack in their scheduling.

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5.

AON and AOA networks can both be used to depict any project network

True
False

Correct Answer

A. True

Explanation

Both AON (Activity on Node) and AOA (Activity on Arrow) networks are commonly used in project management to depict project networks. AON uses nodes to represent activities and arrows to represent dependencies between activities. AOA, on the other hand, uses arrows to represent activities and nodes to represent events. Both types of networks can effectively illustrate the sequence of activities and their relationships, making them suitable for representing any project network. Therefore, the statement that AON and AOA networks can both be used to depict any project network is true.

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6.

The shortest time to complete a network is equal to the duration of the longest path through the network

True
False

Correct Answer

A. True

Explanation

The statement is true because the longest path through a network represents the critical path, which is the sequence of activities that takes the longest time to complete. The duration of this critical path determines the shortest time required to complete the entire network. Therefore, the shortest time to complete a network is indeed equal to the duration of the longest path through the network.

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7.

Slack is

The amount of time a non-critical task can be delayed without making the project late.
The amount of time the critical path of a project can be delayed without making the project late
The amount of time an activity on the critical path can be delayed without making the project late
The difference between how long the project would take if all tasks were completed based on their early start time
None of the above

Correct Answer

A. The amount of time a non-critical task can be delayed without making the project late.

Explanation

Slack refers to the amount of time that a non-critical task can be delayed without causing a delay in the overall project. It is the flexibility or buffer time available for non-critical tasks. This means that if a non-critical task takes longer than initially planned, it will not impact the project's completion date as long as it is completed within the slack time. Therefore, the correct answer is "The amount of time a non-critical task can be delayed without making the project late."

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1

8.

Which of the following is NOT one of the basic rules to follow when developing project networks?

An activity cannot begin until all preceding activities have been completed
An activity identification number must be larger than that of any preceding activities
Each activity must have a unique identification number
Networks flow from left to right
Complete backward pass first and then forward pass to calculate slack

Correct Answer

A. Complete backward pass first and then forward pass to calculate slack

Explanation

The correct answer is "Complete backward pass first and then forward pass to calculate slack". This is not one of the basic rules to follow when developing project networks. The basic rules include ensuring that an activity cannot begin until all preceding activities have been completed, assigning activity identification numbers in a way that they are larger than any preceding activities, and ensuring that each activity has a unique identification number. Additionally, project networks flow from left to right, which is another basic rule to follow.

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9.

Reducing project duration

Involves crashing all activities on critical path
Can only be done when resources are not constrained
Is always more expensive
Tends to increase network sensitivity
Should be considered for all projects

Correct Answer

A. Is always more expensive

Explanation

Reducing project duration is always more expensive because it usually requires additional resources, such as overtime pay, hiring extra staff, or utilizing expensive equipment to complete the project in a shorter time frame. This increased cost is necessary to speed up the project and meet the desired deadline. However, it is not the only factor to consider when deciding whether to reduce project duration, as other factors such as the project's importance, available resources, and potential risks should also be taken into account.

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10.

When it was originally developed, PERT used certain (deterministic) methods to estimate activity duration.

True
False

Correct Answer

A. False

Explanation

PERT (Program Evaluation and Review Technique) was developed to handle uncertain and unpredictable activity durations. It uses probabilistic methods, such as the three-point estimation technique, which takes into account optimistic, pessimistic, and most likely estimates for activity durations. This allows for a more realistic and flexible approach in estimating project timelines. Therefore, the statement that PERT used deterministic methods to estimate activity duration is false.

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The delaying of any activity on the critical path will delay the completion of the project by the same amount

Quiz Preview

A Term NOT used in the discussion of PERT/CPM analysis is

It is possible for a project network to have more than one critical path?

Critical path tasks always have zero slack

AON and AOA networks can both be used to depict any project network

The shortest time to complete a network is equal to the duration of the longest path through the network

Slack is

Which of the following is NOT one of the basic rules to follow when developing project networks?

Reducing project duration

When it was originally developed, PERT used certain (deterministic) methods to estimate activity duration.