Chapter 3 Operations Management

The project organization may be LESS helpful when A. the job is familiar to the existing organization. B. the work contains complex interrelated tasks requiring specialized skills. C. the project cuts across organizational lines. D. work tasks can be defined with a specific goal and

A

Which of the following belongs to the THIRD level in the work breakdown structure for​ Microsoft's Windows​ 8? A. defect tracking B. develop Windows 8 operating system C. software design D. system testing

A

Which of the following is a basic assumption of​ PERT? A. No activity in the network must be repeated. B. Only critical path activities in the network must be performed. C. Activity completion times are known with certainty. D. There is only one complete route from the start of a project to the end of a project.

A

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

A

Which of the following steps is NOT a basic step followed by PERT and​ CPM? A. Identify and eliminate​ non-critical activities. B. Compute the critical path. C. Draw the network connecting all the activities. D. Define the project.

A

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

B

Which of the following activities are NOT part of project​ scheduling? A. Compute resources needed at each stage of production. B. Make sure all necessary activities are finished in proper sequence and on time. C. Decide how long each activity will take. D. Chart separate schedules for personnel needs by type of skill and materials needs.

B

Which of the following is a limitation of PERT and​ CPM? A. They are applicable to only a narrow variety of projects and industries. B. There is the inherent danger of placing too much emphasis on the critical path. C. They can be used only to monitor schedules. D. The graphical nature of a network delays comprehension of the activity​ list's interrelationships.

B

Which of the following is an advantage of PERT and​ CPM? A. Precedence relationships must be specified and networked together. B. Straightforward concept and not mathematically complex. C. Project activities have to be clearly​ defined, independent, and stable in their relationships. D. Useful in monitoring only schedules.

B

Which of the following is the THIRD level in work breakdown structure​ (WBS)? A. project B. subtasks in major tasks C. activities to be completed D. major tasks in the project

B

Which of these statements is NOT true about project​ scheduling? A. Project scheduling identifies the precedence relationships among activities. B. Project scheduling helps make better use of resources by identifying the​ non-critical paths through the network. C. Project scheduling shows the relationship of each activity to others. D. Project scheduling encourages the setting of realistic time and cost estimates for each activity.

B

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

PERT analysis computes the variance of the total project completion time as A. the sum of the variances of all activities not on the critical path. B. the variance of the final activity of the project. C. the sum of the variances of all activities on the critical path. D. the sum of the variances of all activities in

C

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

C

Computerized​ PERT/CPM reports and charts do NOT include A. detailed cost breakdowns for each task. B. variance reports. C. cost distribution tables. D. probability estimates for​ on-time completion.

D

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

D

Gantt charts are A. not widely used. B. not easy to understand. C. widely used network techniques. D. planning charts used to schedule resources and allocate time.

D

The critical path of a network is the A. path with the most activities. B. shortest time path through the network. C. path with the fewest activities. D. longest time path through the network.

D

The three phases involved in the management of large projects are A. ​planning, scheduling, and evaluating. B. ​scheduling, designing, and operating. C. ​scheduling, operating, and evaluating. D. ​planning, scheduling, and controlling.

D

Which of the following activities does NOT belong to the controlling phase of project​ management? A. shift resources B. monitor​ resources, costs,​ quality, and budgets C. revise plans D. define the project

D

Which of the following does NOT belong to the planning phase of project​ management? A. defining the project B. team organization C. goal setting D. monitoring resources

D

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

D

Which of the following is NOT true about Gantt​ charts? A. Gantt charts are​ low-cost means of helping managers make sure that activities are planned. B. Gantt charts are planning charts used to schedule resources and allocate time. 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

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

D