Chapter 3

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

A. There is the inherent danger of placing too much emphasis on the critical path.

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. calculating completion probabilities for all tasks in the project C. drawing the network diagram D. performing all of the activities in the project

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

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

A. monitoring resources

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

A. ​planning, scheduling, and controlling.

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. Project scheduling helps make better use of resources by identifying the​ non-critical paths through the network.

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. pinpoint activities that need to be closely watched.

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

B. planning charts used to schedule resources and allocate time.

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

B. the job is familiar to the existing organization.

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

C. Make sure all necessary activities are finished in proper sequence and on time.

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

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

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

C. probability estimates for​ on-time completion.

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

C. subtasks in major tasks

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

What is the most popular example of specialized software for managing​ projects? A. Microsoft Management Tool B. ​PERT/CPM+ C. Project Apple D. Microsoft Project

D. Microsoft Project

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

D. Straightforward concept and not mathematically complex.

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

D. define the project

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. using a feedback loop to revise the project plan D. sequencing and allotting time to all project activities

D. sequencing and allotting time to all project activities

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

D. ​Factor-rating method

Which of the following activities are NOT part of the project scheduling?

Decide how long each activity will take.

How is the EF computed?

ES + Activity time

Which of the following is NOT true regarding PERT and CPM?

Managers only need to closely monitor the critical path

The latest finish of an activity is

Min{ LS of all immediate following activities}

the main difference between PERT and CPM is that

PERT employs three time estimates for each activity

which of the following statements regarding CPM is true?

all activities on the critical path have their LS equal to the maximum EF of all immediate predecessors.

Dummy activities

are used when 2 activities have identical starting and ending events

the _______ distribution is used by PERT analysis to calculate expected activity times and variances

beta

Which of the following represents the FIRST step to crash a project?

computer the crash cost per week for each activity in the network

What is the shortest duration required to complete an activity?

crash time

which of the following does NOT belong in the controlling phase of project management

define the project

Which of the following steps is NOT a basic step followed b PERT and CPM?

identify and eliminate the non-critical activities

which of the following statements regarding CPM networks is true?

if a specific project has multiple critical paths, all of them will have the same duration

With respect to PERT and CPM, slack

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

The critical path of a network is the

longest time path through the network

which is the most popular example of specialized software for managing projects

microsoft project

The most realistic estimate of the time required to complete an activity is referred to as what?

most likely time

Which of the following is a basic assumption of PERT?

no activity in the network must be repeated

the difference between AON and AOA networks is that

nodes consume no resources or time in AOA networks nodes designate activities in AON, while arrows designate activities in AOA both are acceptable in practice, however, microsoft project uses AON AOA networks sometimes require dummy activities ALL OF ABOVE ARE TRUE

Which of the following is used for computations in CPM?

normal time

which of the following statements regarding critical path is true

on a specific project, there can be multiple critical paths, all with exactly the same duration

the time an activity will take assuming very unfavorable conditions is

pessimistic time

Which of these estimates is NOT used in PERT?

standard time

Which of these time estimates is NOT used in PERT?

standard time

PERT analysis computes the variance of the total project completion time as

the sum of variances of all activities on the critical path

which of the following is a limitation of PERT and CPM

there is an inherent danger of placing too much emphasis on the critical path

which of the following statements is an assumption PERT makes regarding the probability of finishing the project on time

total project completion time follows a normal probability distribution