Network & Project Management Quiz Mc1492

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  • 1/10 Questions

    CPM is:

    • Critical Project Management
    • Critical Path Management
    • Critical Path Method
    • Crash Project Method
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About This Quiz

This quiz, titled 'Network & Project Management Quiz MC1492', assesses knowledge on Project Management methodologies like CPM and PERT, focusing on concepts such as critical paths, activity representation, and time distributions.

Network & Project Management Quiz Mc1492 - Quiz

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  • 2. 

    In PERT, if the pessimistic time were 14 weeks, the optimistic time were 8 weeks, and the most likely time were 11 weeks,

    • The expected time would be 11 weeks

    • The expected time would be 6 weeks

    • The expected time would be 5.5 weeks.

    • There is not enough information.

    • None of the above.

    Correct Answer
    A. The expected time would be 11 weeks
    Explanation
    The expected time in PERT is calculated using a weighted average of the optimistic, pessimistic, and most likely times. The formula for calculating the expected time is (optimistic time + 4 * most likely time + pessimistic time) / 6. In this case, the optimistic time is 8 weeks, the most likely time is 11 weeks, and the pessimistic time is 14 weeks. Plugging these values into the formula, we get (8 + 4 * 11 + 14) / 6 = 11 weeks. Therefore, the expected time would be 11 weeks.

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  • 3. 

    Mark the wrong statement:  

    • A project is a set of activities that can be performed in a certain logical sequence.

    • A network is a graphic portrayal of interdependency relationship among the activities of a project.

    • An arrow representing an activity can have any length and shape.

    • An activity cannot be represented by more than one arrow but an arrow can represent one or more activities.

    Correct Answer
    A. An activity cannot be represented by more than one arrow but an arrow can represent one or more activities.
  • 4. 

    The distribution that is used to represent path times is the

    • Bivariate.

    • Beta.

    • Normal.

    • Poisson.

    Correct Answer
    A. Beta.
    Explanation
    The beta distribution is commonly used to represent path times because it is a flexible distribution that can take on a wide range of shapes. It is defined on the interval [0,1] which makes it suitable for representing probabilities. Additionally, it has two shape parameters that allow it to be adjusted to fit different data patterns. This makes the beta distribution a suitable choice for modeling path times, where the values are typically bounded and can vary in shape.

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  • 5. 

    The critical path is

    • The least-slack path

    • The longest time path through the network

    • The series of activities whose delay is most likely to delay the entire project.

    • One or more paths through a network whose last activity’s EFT is the largest for any activity in the project.

    • All of the above.

    • None of the above.

    Correct Answer
    A. The longest time path through the network
    Explanation
    The correct answer is "the longest time path through the network." The critical path in project management refers to the sequence of activities that determines the total duration of the project. It is the longest path through the network diagram, meaning that any delay in activities along this path will directly impact the project's timeline. Therefore, it is crucial to closely monitor and manage the activities on the critical path to ensure the project stays on schedule.

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  • 6. 

    Which of the following statements is not correct  

    • PERT is probabilistic in nature.

    • CPM is probabilistic in nature.

    • CPM and PERT use similar terminology but were developed independently

    • .All of these statements are correct

    Correct Answer
    A. CPM and PERT use similar terminology but were developed independently
  • 7. 

    Mark the wrong statement.  

    • All activities on a critical path are critical activities.

    • A project network may have none, one, or more critical paths.

    • A delay in critical activity surely delays the completion of project.

    • Each critical activity has identical earliest and the latest start times.

    Correct Answer
    A. Each critical activity has identical earliest and the latest start times.
    Explanation
    The statement "Each critical activity has identical earliest and the latest start times" is incorrect. In a project network, each critical activity has identical earliest start times and latest finish times, but their latest start times may vary depending on the project schedule.

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  • 8. 

    The crash cost per week

    • Is the difference in costs divided by the difference in times (crash and normal).

    • Is considered to be linear in the range between normal and crash.

    • Needs to be determined so that the smallest values on the critical path may be considered for time reduction first.

    • All of the above.

    Correct Answer
    A. Needs to be determined so that the smallest values on the critical path may be considered for time reduction first.
    Explanation
    The correct answer is "needs to be determined so that the smallest values on the critical path may be considered for time reduction first." This means that the crash cost per week needs to be determined in order to prioritize the activities on the critical path that will lead to the greatest reduction in time. By determining the crash cost per week, the project manager can identify which activities should be accelerated first in order to minimize the overall project duration. This allows for efficient allocation of resources and ensures that the most critical tasks are addressed promptly.

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  • 9. 

    Which of these may require the use of a dummy activity?

    • Activity-on-arrow network.

    • Activity-on-node network.

    • Both a and B.

    • None of these.

    • Gantt chart.

    Correct Answer
    A. Both a and B.
    Explanation
    Both the activity-on-arrow network and the activity-on-node network may require the use of a dummy activity. A dummy activity is a simulated activity that is added to the network to maintain the logical sequence and dependencies between other activities. It is used when there is a need to represent a dependency between two activities that cannot be directly connected. In both types of networks, the use of dummy activities helps to accurately represent the relationships and dependencies between activities.

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  • 10. 

    Which is not a feature of PERT/CPM?

    • An estimate of how long a project will take.

    • A graphical display of project activities.

    • An indication of critical activities

    • An indication of slack time.

    • All are features.

    • All are features.

    Correct Answer(s)
    A. All are features.
    A. All are features.
    Explanation
    The given answer states that all of the options mentioned are features of PERT/CPM. PERT/CPM is a project management technique used to analyze and plan the activities involved in completing a project. The features mentioned in the options are all relevant to PERT/CPM. An estimate of how long a project will take is necessary for planning and scheduling. A graphical display of project activities helps in visualizing the project flow. An indication of critical activities helps in identifying tasks that could delay the project. And an indication of slack time helps in identifying tasks that can be delayed without affecting the project timeline. Therefore, all of these features are indeed part of PERT/CPM.

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Quiz Review Timeline (Updated): Apr 25, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Apr 25, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 24, 2018
    Quiz Created by
    Varun_jurwall
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