Scm 186 - Quiz 5

Which of the following is NOT a technique that allows managers to​ plan, schedule, and control​ projects? A. Gantt charts B. Factor-rating method C. PERT D. CPM

B. Factor-rating method

Dummy activities A. are found in both AOA and AON networks. B. are used when two activities have identical starting and ending events. C. have a duration equal to the shortest​ non-dummy activity in the network. D. cannot be on the critical path.

B. are used when two activities have identical starting and ending events.

With respect to PERT and​ CPM, slack A. is a task or subproject that must be completed. B. is the amount of time a task may be delayed without changing the overall project completion time. C. is the latest time an activity can be started without delaying the entire project. D. marks the start or completion of a task.

B. is the amount of time a task may be delayed without changing the overall project completion time.

Which of the following statements is an assumption PERT makes regarding the probability of finishing the project on​ time? A. Activity times are statistically dependent. B. Activity times are statistically identical. C. Total project completion times follow a normal probability distribution. D. Total project completion times follow a uniform probability distribution.

C. Total project completion times follow a normal probability distribution.

Among the​ following, critical path and slack time analysis MOST help A. managers define the project activities. B. point out who is responsible for various activities. C. pinpoint activities that need to be closely watched. D. highlight relationships among project activities.

C. pinpoint activities that need to be closely watched.

Which of the following is NOT part of project​ controlling? A. shifting resources to where they are needed most B. using a feedback loop to revise the project plan C. sequencing and allotting time to all project activities D. close monitoring of​ resources, costs,​ quality, and budgets

C. sequencing and allotting time to all project activities

Which of the following is NOT true about Gantt​ charts? A. Gantt charts are planning charts used to schedule resources and allocate time. B. Gantt charts are​ low-cost means of helping managers make sure that activities are planned. C. Gantt charts also can be used for scheduling repetitive operations. D. Gantt charts adequately illustrate the interrelationships between the activities and the resources

D. Gantt charts adequately illustrate the interrelationships between the activities and the resources

Which of the following is NOT true regarding PERT and​ CPM? A. PERT and CPM are useful in monitoring costs. B. Time estimates are subject to fudging by managers. C. PERT and CPM are useful when controlling large projects. D. Managers only need to closely monitor the critical path.

D. Managers only need to closely monitor the critical path.

Which of the following is a direct responsibility of the project​ manager? A. drawing the network diagram B. calculating completion probabilities for all tasks in the project C. performing all of the activities in the project D. making sure that the people assigned to the project receive the​ motivation, direction, and information needed to do their jobs

D. making sure that the people assigned to the project receive the​ motivation, direction, and information needed to do their jobs

The most realistic estimate of the time required to complete an activity is referred to as​ what? A. slack time B. pessimistic time C. optimistic time D. most likely time

D. most likely time

Which one of the following statements is NOT true about the forecasting in the service​ sector? a. Demand patterns are often diff from those in non-service sectors b. Hourly demand forecasts may be necessary. c. Detailed forecasts of demand are not needed d. Forecasting in the service sector presents some unusual challenges

c. Detailed forecasts of demand are not needed