Chapter 5 Final Exam

What is it a milestone? a) a significant event in the project b) a mark on a chart that depicts project progress c) an activity on the critical path d) an activity with an uncertain completion time e) all of the above

a) a significant event in the project

Which of the following terms is most closely associated with a task required by the project? a) activity b) event c) milestone d) network e) path

a) activity

Which of the following is typically used as the best estimate of task duration? a) expected time b) pessimistic time c) optimistic time d) most likely time e) none of the above

a) expected time

The square root of the variance of statistical distribution equals the __________ of that distribution. A. standard deviation B. normal probability C. variance of the path D. cumulative probability

A. standard deviation

PERT was originally used for what type of project? a) construction b) R & D c) military d) computer software development e) advertising

c) military

The amount of time a noncritical task can be delayed without delaying the project is called? a) surplus b) flop c) slack d) critical time e) safety

c) slack

For any task on a critical path, its __________ must be the same as its __________. A. LST; LFT B. LFT; EFT C. LST; EST D. EST; EFT

B. LFT; EFT

The major advantage of the Gantt chart is that it: A. addresses all activities. B. is easy to read. C. highlights critical task of the project. D. manages project scheduling.

B. is easy to read.

The amount of time a noncritical task can be delayed without delaying the project is called: A. margin. B. completion variance. C. float. D. variable duration.

C. float.

Slack is calculated as: A. LF - ES. B. LF - LS. C. LS - LF. D. LS - ES.

D. LS - ES

One shortcoming of the __________ network method is that it does not allow for leads and lags between two activities without greatly increasing the number of subactivities to account for this. A. Gantt Chart B. AON C. MSP D. PERT/CPM

D. PERT/CPM

An identifiable state resulting from the completion of one or more activities is called? a) an event b) an activity c) a milestone d) a path e) the critical path

a) an event

What is the standard deviation of a task with optimistic, most likely, and pessimistic times of 3, 4, and 7 days respectively assuming the estimates were made at the 99% plus level? a) .444 b) .667 c) 1.212 d) 1.469 e) 1.540

b) .667

What is project slack? a) The amount of time a non-critical task can be delayed without making the project late. b) The amount of time the critical path of a project can be delayed without making the project late. c) The amount of time an activity on the critical path can be delayed without making the project late. d) The difference between how long the project would take if all tasks were completed based on their pessimistic versus optimistic time estimates. e) None of the above.

b) The amount of time the critical path of a project can be delayed without making the project late. a) The amount of time a non-critical task can be delayed without making the project late.

Which of the following linkages is used to start two or more activities at the same time? a) finish-to-start b) start-to-start c) finish-to-finish d) start-to-finish e) They can all be used to start two or more activities at the same time.

b) start-to-start

Which of the following is NOT an element of the Gantt chart? a) actual progress b) variance of the critical path c) the current date d) scheduled milestones e) all of the above are elements

b) variance of the critical path

What is the expected time to complete a task with an optimistic, most likely, and pessimistic times of 3, 4, and 7 days respectively? a) 3 b) 4 c) 4.3 d) 4.7 e) 7

c) 4.3

Technical dependencies on a project plan are easiest to see on a: a) Gantt chart b) Cost chart c) PERT/CPM chart d) Work Breakdown Structure e) RACI Matrix

c) PERT/CPM chart

Slack is calculated as? a) LFT - EST b) LFT - LST c) LST - LFT d) LFT - EFT e) EFT - EST

d) LFT - EFT

A Term NOT used in the discussion of PERT/CPM analysis is a) Activity b) Events c) Critical Path d) Sensitivity path e) network s

d) Sensitivity path

For which purpose is simulation NOT used with regard to project scheduling? a) to overcome the limitations associated with statistical techniques used to develop probability of completion time estimates b) to investigate the range of project completion times c) to investigate the distribution of project completion times d) to verify the accuracy of the optimistic, pessimistic and most likely time estimates e) all of the above

d) to verify the accuracy of the optimistic, pessimistic and most likely time estimates