Ece 326 exam1 pt2

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Ece 326 exam1 pt2
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2011-02-21 11:48:15
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Ece 326 questions pt 2
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  1. On a project network, the activity times are derived from the
    A. Responsibility matrix
    B. Budget
    C. Project proposal
    D. Work packages
    E. Organization breakdown structure
    D. Work packages
    (this multiple choice question has been scrambled)
  2. The critical path in a project network is the
    A. Shortest path through the network
    B. Network path using the most resources
    C. Longest path through the network
    D. Network path with the most merge activities
    E. Network path with the most difficult activities
    C. Longest path through the network
    (this multiple choice question has been scrambled)
  3. . ________ activities must be completed immediately before a particular activity.
    A. Merge
    B. Successor
    C. Burst
    D. Critical
    E. Predecessor
    E. Predecessor
    (this multiple choice question has been scrambled)
  4. ________ activities are to be completed immediately following a particular activity.
    A. Predecessor
    B. Merge
    C. Critical
    D. Successor
    E. Burst
    D. Successor
    (this multiple choice question has been scrambled)
  5. The forward pass in project network calculations determines the
    A. A, B, and C are all correct
    B. Duration of the project
    C. Both A and B are correct
    D. Earliest time's activities can begin
    E. Earliest time's activities can be finished
    A. A, B, and C are all correct
    (this multiple choice question has been scrambled)
  6. The backward pass in project network calculations determines the
    A. Latest time's activities can begin
    B. Earliest time's activities can be finished
    C. Critical path
    D. Both A and C are correct
    E. A, B, and C are all correct
    D. Both A and C are correct
    (this multiple choice question has been scrambled)
  7. The requirement for a freshly poured foundation to cure before beginning construction is an example of which of the following type of lag?

    A. Start to Finish
    B. Start to Start
    C. Any of these could be correct
    D. Finish to Finish
    E. Finish to Start
    E. Finish to Start
    (this multiple choice question has been scrambled)
  8. Concurrent engineering is a good example of good use of
    A. Start to Start lags
    B. Any of these could be correct
    C. Finish to Start lags
    D. Start to Finish lags
    E. Finish to Finish lags
    A. Start to Start lags
    (this multiple choice question has been scrambled)
  9. If testing cannot be completed any earlier than four days after the prototype is built, which of the following type of lag exists?
    A. Finish to Start
    B. Any of these could be correct
    C. Start to Start
    D. Start to Finish
    E. Finish to Finish
    E. Finish to Finish
    (this multiple choice question has been scrambled)
  10. An activity includes only one work package
    False
  11. The WBS identifies dependencies, the sequencing of activities, and the timing of activities
    False
  12. The critical path is the shortest path through a network and indicates activities that cannot be delayed without delaying the project
    False
  13. An activity is an element of the project that always requires time but may or may not require resources.
    True
  14. In developing a project network, neither looping statements nor conditional statements are permitted.
    True
  15. The forward pass through a project network determines the critical path.
    False
  16. The backward pass though a project network determines how long an activity can be delayed without impacting the completion date of the project
    True
  17. Different activities along the same path can have different total slack
    True
  18. By definition, the critical path always has zero slack
    False
  19. It is possible to have more than one critical path at the same time.
    True
  20. Free slack applies to an entire project network.
    False
  21. Only activities that occur at the end of a chain of activities can have free slack.
    True
  22. Lags can be use to constrain the start and finish of an activity.
    True
  23. In the network computation process what is a forward pass and what three things does it determine?
  24. Starting with the first activity, each path is traced forward through the network, adding times until the end of the project. This determines
    • 1. how soon each activity can start
    • 2. how soon each activity can finish
    • 3. how soon the entire project can be completed.
  25. In the network computation process what is a backward pass and what four things does it determine?
  26. Starting with the last activity, each path is traced backward through the network, subtracting times until the beginning of the project. This determines
    • 1. how late each activity can start
    • 2. how late each activity can finish
    • 3. the critical path
    • 4. how long can each activity be delayed without changing the completion date
  27. Which of the following is not one of the steps in the risk management process?
    A. Risk response development
    B. Risk response control
    C. Risk assessment
    D. Risk tracking
    E. Risk identification
    D. Risk tracking
    (this multiple choice question has been scrambled)
  28. The initial step in the risk management process is to
    A. Identify the risks
    B. Set aside budget funds for managing the risks
    C. Determine the level of acceptable risk
    D. Assess the risk potential
    E. Appoint a risk manager
    A. Identify the risks
    (this multiple choice question has been scrambled)
  29. One common mistake made in identifying project risks is that
    A. Efforts are focused on consequences rather than causal events
    B. Not all possibilities are considered
    C. Participants are over-optimistic
    D. Participants are over-pessimistic
    E. Too much attention is given to past events
    A. Efforts are focused on consequences rather than causal events
    (this multiple choice question has been scrambled)
  30. In the beginning the focus of risk management should be on risks that
    A. Are known
    B. Have the greatest cost impact
    C. Impact the whole project
    D. Have the greatest schedule impact
    E. Impact the critical path
    C. Impact the whole project
    (this multiple choice question has been scrambled)
  31. The easiest and most commonly used technique for analyzing risks is _____ analysis.
    A. Impact
    B. Scenario
    C. Payback
    D. Probability
    E. Risk/reward
    B. Scenario
    (this multiple choice question has been scrambled)
  32. The two scales of a risk severity matrix measure
    A. Likelihood, impact
    B. Time, impact
    C. Impact, cost
    D. Time, cost
    E. Cost, schedule
    A. Likelihood, impact
    (this multiple choice question has been scrambled)
  33. Which of the following is not one of the potential responses to a specific risk event?
    A. Sharing
    B. Retaining
    C. Transferring
    D. Mitigating
    E. Ignoring
    E. Ignoring
    (this multiple choice question has been scrambled)
  34. The probability that a risk event will occur is higher during the initial stages of a project.
    True
  35. Due to the impact over a long period of time, risk events that occur in the early stages of a project will have a greater cost impact than those that occur in later stages.
    False
  36. One common mistake that is made early on in the risk identification process is to focus on consequences and not on the events that could produce consequences.
    True
  37. The first step in the risk management process is Risk Assessment.
    False
  38. A risk profile is a list of questions that have been developed and refined from previous, similar projects.
    True
  39. Since the goal is to find problems before they happen, the project manager should encourage critical thinking when it comes to risk identification.
    True
  40. Adopting proven technology instead of experimental technology is an example of mitigating a risk.
    False
  41. The FMEA method calculates a risk value by assigning ease of detection ratings to the key risk elements.
    True
  42. Fixed price contracts are an example of transferring risk from an owner to a contractor.
    True
  43. Scheduling outdoor work in the summer, investing in up front safety training, and choosing high quality materials are examples of retaining a risk.
    False
  44. Budget reserves are setup to cover identified risks associated with specific segments of a project while management reserves are set up to cover unidentified risks associated with the total project.
    True
  45. Change control systems involve reporting, controlling, and recording changes to the project baseline.
    True
  46. Using network slack will reduce schedule risk.
    False
  47. Contingency funding is made up of budget reserves and management reserves.
    True
  48. Describe the relationship between the likelihood of a risk event occurring and the cost of fixing the risk event as a project proceeds through its life cycle.
    In the early stages of the project life cycle the probability of a risk event occurring is greater than at any other time and the cost to fix it is lower than at any other point. As time passes the probability of occurrence drops lower and lower while the cost rises.
  49. Identify and briefly describe the four steps in risk management.
    • 1.Risk Identification; all possible risks are identified
    • 2. Risk Assessment; risks are assessed in terms of importance and need for attention
    • 3. Risk Response Development; plans are developed to respond if the risk actually occurs
    • 4. Risk Response Control; the actual response to the risk and controlling changes associated with the risks.
  50. Delaying noncritical activities to lower peak demand on resources is known as resource
    A. Effectiveness
    B. Shifting
    C. Leveling
    D. Manipulating
    E. Allocation
    C. Leveling
    (this multiple choice question has been scrambled)
  51. Most of the scheduling methods available today require the project manager to classify the project as either _______ constrained or ______ constrained.
    A. Quality, cost
    B. Quality, resource
    C. Cost, time
    D. Time, resource
    E. Time, quality
    D. Time, resource
    (this multiple choice question has been scrambled)
  52. All resource leveling techniques involve
    A. Delaying critical activities
    B. Both A and C are correct
    C. Delaying noncritical activities
    D. A, B, and C are all correct
    E. Using negative slack
    C. Delaying noncritical activities
    (this multiple choice question has been scrambled)
  53. In time-constrained projects, using resource leveling will
    A. Increase resource demand in periods of low demand
    B. A, B, and C are all correct
    C. Delay the project completion date
    D. Both A and B are correct
    E. Reduce peak demand for the resource
    D. Both A and B are correct
    (this multiple choice question has been scrambled)
  54. The impacts of resource leveling in time-constrained projects includes
    A. Reduction in risk of activities delaying the project
    B. Delay of project completion date
    C. A, B, and C are all correct
    D. Loss of flexibility
    E. Both A and C are correct
    D. Loss of flexibility
    (this multiple choice question has been scrambled)
  55. In a resource-constrained project, which of the following is most likely to be changed?
    A. A, B, and C are all equally likely
    B. Project quality
    C. The completion date
    D. Both A and B are equally likely
    E. The budget
    C. The completion date
    (this multiple choice question has been scrambled)
  56. Which of the following is not one of the typical impacts of resource-constrained scheduling?
    A. The critical path changes
    B. Parallel activities become sequential
    C. There is reduced flexibility
    D. There are fewer critical or near-critical activities
    E. Activities can have both technical and resource constraints
    D. There are fewer critical or near-critical activities
    (this multiple choice question has been scrambled)
  57. Too many parallel activities for one individual are an example of a resource constraint.
    True
  58. Resource leveling is only used on projects which are resource-constrained
    False
  59. To determine if a project is time-constrained or resource-constrained you would consult the project priority matrix.
    True
  60. Scheduling time-constrained projects focuses on the optimal utilization of resources.
    True
  61. All leveling techniques delay noncritical activities by using positive slack to smooth out the resource requirements.
    True
  62. One of the advantages of resource leveling is the increased flexibility that occurs from having a steady, level demand for resources.
    False
  63. Scheduling resource-constrained projects focuses on completing the project as soon as possible under the given constraints.
    True
  64. Heuristics are used in resource-constrained projects to develop the optimal schedule
    False
  65. The top priority in using heuristics to allocate scare resources is those activities with the smallest duration.
    False
  66. The critical path in a resource-constrained schedule can be a group of disjointed, unconnected activities.
    True
  67. Splitting is a scheduling technique used to get a better schedule or better resource utilization.
    True
  68. When deliverables are time-phased, they become the project budget.
    False
  69. Many companies are using outsourcing as a means for dealing with their resource allocation problems associated with managing multiproject resources.
    True
  70. What is the difference in project goals when using resource leveling on time-constrained projects and using it on resource-constrained projects?
  71. In time-constrained projects the goal is to smooth out the peaks and valleys and thus improve the utilization. In resource-constrained projects the goal is to achieve the shortest project duration given a limited supply of resources.
  72. Identify and briefly describe the potential impacts of resource-constrained scheduling.
  73. 1. reduced slack reduces flexibility
    • 2. increased number of critical and near-critical activities
    • 3. increase complexity due to resource constrains added to technical constraints
    • 4. the critical path may become a set of disjointed critical activities
    • 5. formerly critical activities may now become non-critical
  74. Total project costs include all of the following except:
    A. Administration
    B. All of these are included in total project costs
    C. Supervision
    D. Interest
    E. Project manager's salary
    B. All of these are included in total project costs
    (this multiple choice question has been scrambled)
  75. An activity's crash costs include ____ costs.
    A. Indirect
    B. Both A and B are correct
    C. Direct
    D. Overhead
    E. A, B, and C are correct
    C. Direct
    (this multiple choice question has been scrambled)
  76. Which of the following correctly calculates an activity's cost slope?
    A. (normal cost-crash cost)/(normal time-crash time)
    B. (crash cost-normal cost)/(crash time-normal time)
    C. (crash cost-normal cost)/(normal time-crash time)
    D. (normal time-crash time)/(crash cost-normal cost)
    E. (normal time-crash time)/(normal cost-crash cost)
    C. (crash cost-normal cost)/(normal time-crash time)
    (this multiple choice question has been scrambled)
  77. In selecting the best activity to reduce you would first select the activity with the
    A. Largest crash time
    B. Longest duration
    C. Earliest start time
    D. Steepest slope
    E. Least steep slope
    E. Least steep slope
    (this multiple choice question has been scrambled)
  78. The optimum duration for a project is at the point where:
    A. Direct costs equal indirect costs
    B. The project changes from time-constrained to resource-constrained
    C. Total project costs are the lowest
    D. Direct costs are the lowest
    E. Indirect costs are the lowest
    C. Total project costs are the lowest
    (this multiple choice question has been scrambled)
  79. Which of the following is the most common method for shortening project time?
    A. Assigning additional staff and equipment
    B. Reduce the quality
    C. Reduce project scope
    D. Schedule overtime
    E. Subcontract work
    A. Assigning additional staff and equipment
    (this multiple choice question has been scrambled)
  80. Which of the following is not one of the techniques for accelerating project completion?
    A. Reduce project scope
    B. Establish a core team
    C. Do it twice—fast and correctly
    D. Assigning additional staff and equipment
    E. All of these are acceptable techniques
    E. All of these are acceptable techniques
    (this multiple choice question has been scrambled)
  81. Imposed project durations almost always leads to a higher-cost project than one planned with detailed scheduling of all the project's activities.
    True
  82. Efforts to shorten a project's duration can occur before the project begins or while it is in progress.
    True
  83. Indirect costs generally represent overhead costs such as supervision, administration, consultants, and interest.
    True
  84. The total cost for each possible duration of a project is the sum of labor, materials, and equipment.
    False
  85. Direct costs are so named because they can be assigned directly to a work package and activity.
    True
  86. The sum of the costs of all the work packages represents the total direct costs for the project.
    True
  87. To reduce the duration of a project by reducing activity duration, the first criteria is that the activity to be reduced must be on the critical path.
    True
  88. Crash time is the greatest time reduction possible under realistic conditions.
    True
  89. The higher the slope of an activity the greater the cost to reduce its duration.
    True
  90. Creating a Project Cost-Duration Graph in the pre-project planning phase without an imposed duration is the best time to use this tool.
    True
  91. Sometimes an activity that is more expensive to crash should be crashed because it is less risky to crash than the cheaper one.
    True
  92. While the relationship between normal and crash times is really curvilinear, the assumption that it is linear is seldom a concern for practicing managers.
    True
  93. Identify and briefly describe five reasons for attempting to reduce the duration of a project
    • 1. imposed durations made by top management
    • 2. market demands created by competition and rapid technology advances
    • 3. incentive contracts that pay for early project completion
    • 4. recovery of unforeseen project delays
    • 5. to reduce project costs by reducing charges created by high overhead costs, 6. to reassign key resources to other projects.

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