OM300 CH 2

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

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

D. ES​ + Activity time

How is the EF​ computed? A. LF minus−Activity time B. ​Min{LS of all immediate following​ activities} C. ​Max{EF of all immediate​ predecessors} D. ES​ + Activity time

C. the sum of the variances of all activities on the critical path.

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

B. longest time path through the network.

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

B. ​Min{LS of all immediate following​ activities}.

The latest finish of an activity is A. LFminus−Activity time. B. ​Min{LS of all immediate following​ activities}. .C. ​Max{EF of all immediate​ predecessors}. D. ES​ + Activity time.

B. most likely time

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

D. ​planning, scheduling, and controlling.

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

A. crash time

What is the shortest duration required to complete an​ activity? A. crash time B. most likely time C. optimistic time D. pessimistic time

D. define the project

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

C. monitoring resources

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

B. optimistic time

Which of the following is NOT an element used to compute crash cost per​ period? A. crash cost B. optimistic time C. standard time D. crash time

B. sequencing and allotting time to all project activities

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

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

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​ low-cost means of helping managers make sure that activities are planned. C. Gantt charts are planning charts used to schedule resources and allocate time. D. Gantt charts adequately illustrate the interrelationships between the activities and the resources.

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

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

C. subtasks in major tasks

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

D. normal time

Which of the following is used for computations in​ CPM? A. pessimistic time B. most likely time C. optimistic time D. normal time

D. Compute the crash cost per week for each activity in the network.

Which of the following represents the FIRST step to crash a​ project? A. Select the best activity to be crashed and crash it by one period. B. Find the critical​ path(s) in the project network. C. Update all activity times. D. Compute the crash cost per week for each activity in the network.

A. LS and LF

Which of the following sets is determined during a backward​ pass? A. LS and LF B. LS and ES C. LS and EF D. ES and EF

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

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. Total project completion times follow a uniform probability distribution. C. Activity times are statistically identical. D. Total project completion times follow a normal probability distribution.

B. Identify and eliminate​ non-critical activities.

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

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

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

B. standard time

Which of these time estimates is NOT used in​ PERT? A. pessimistic time B. standard time C. most likely time D. optimistic time

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

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