1 Which of the following impacts the critical path?

　　A Changing the task duration.

　　B Reduce the free float of an activity.

　　C Executing a backward pass

　　D A or B

　　E None of the above.

　　ans:A

　　2 The range of time allowed for an activity to be completed in is the _____.

　　A Planned time （Duration）。

　　B Float time （LS - ES, or LF - EF）。

　　C Critical time （when ES = LS, or EF = LF）。

　　D Scheduled time （LF - ES）。

　　E Event.

　　ans:D

　　3 Free float is the amount of time that an activity may be delayed with out affecting the _____.

　　A Early start of the succeeding activities.

　　B Late start of the succeeding activities.

　　C Project finish.

　　D Cost of the project.

　　E None of the above.

　　ans:A

　　4 Using the problem stated in the Special window, Calculate the deviation of duration for the task, using the PERT concept of standard deviation of task duration.

　　A 0.5

　　B 1

　　C 1.8

　　D 2.2

　　E 2.8

　　ans:C

　　5 In crashing a task, you would focus on:

　　A As many tasks as possible.

　　B Non critical tasks.

　　C Accelerating performance of tasks on critical path.

　　D Accelerate performance by minimizing cost.

　　E A and D.

　　ans:C

　　6 Using the problem stated in the Special window, Calculate the expected value of duration （in days） using the PERT concept of the expected duration of a task

　　A 8

　　B 8.8

　　C 9.1

　　D 9.7

　　E 10.5

　　ans:B

　　7 Using the WBS in the Special window, an instance of a work package is:

　　A Build house

　　B Excavate

　　C Prepare Foundation

　　D B and C

　　E None of the above

　　ans:E

　　8 All of the following are categories of a milestone in a schedule except:

　　A End date.

　　B Contract dates.

　　C Key events scheduled.

　　D Imposed dates.

　　E Task duration.

　　ans:E

　　9 The actual configuration of a PERT/CPM network _____ the amount of resources that can be devoted to the project.

　　A Increases.

　　B Is not affected by

　　C Does not require

　　D Is heavily dependent upon

　　E Is the only means of determining

　　ans:D

　　10 Excessive flexibility in specifying requirements will _____ the likelihood of time overruns.

　　A Reduce.

　　B Eliminate.

　　C Double

　　D Increase

　　E Not affect

　　ans:D

　　11 The key purpose of project control is to:

　　A Plan ahead for uncertainties.

　　B Generate status reports.

　　C Keep the project on track.

　　D Develop the project road map.

　　E All of the above.

　　ans:C

　　12 Fast tracking means to:

　　A Speed up a project through parallel tasks.

　　B Swap one task for another.

　　C Reduce the number of tasks if possible.

　　D B and C.

　　E None of the above.

　　ans:A

　　13 As a project is carried out and slack time is consumed on individual tasks, the slack left over for the remaining tasks is:

　　A Insignificant.

　　B Reduced.

　　C Unchanged.

　　D Increased.

　　E Doubled.

　　ans:C

　　14 The purpose of a dummy activity in an activity-on-arrow diagram is to:

　　A Identify a task that could be replaced by another.

　　B Take the slack time into account.

　　C Show a task that is not necessarily needed.

　　D Denote a milestone.

　　E Show a dependency relationship.

　　ans:E

　　15 On November 1, $1000 worth of work on task A was supposed to have been done （BCWS）； however, the BCWP was $850. Calculate the schedule variance:

　　A $-100

　　B $100

　　C $-150

　　D $150

　　E 85%

　　ans:C

　　16 A plan has budgeted three weeks of effort for consultants, but the job was done in only two weeks. Calculate the variance:

　　A 1.50%

　　B 33.00%

　　C 75%

　　D 67%

　　E None of the above.

　　ans:B

　　17 Resource leveling will often affect the project by making it:

　　A Shorter.

　　B Longer

　　C More responsive to customer needs.

　　D A and C

　　E B and C.

　　ans:B

　　18 Using the figure in the Special window, The slacktime in Activity “G” is _____ weeks.

　　A 2

　　B 3

　　C 4

　　D 5

　　E 7

　　ans:C

　　19 Using the figure in the Special window, Activity “D” has a latest start time of _____ weeks and a latest finish time of _____ weeks.

　　A 2, 10

　　B 4, 12

　　C 6, 14

　　D 7, 15

　　E 9, 17

　　ans:A

　　20 Using the figure in the Special window, Activity “L” has an early start time of _____ weeks and an early finish time of _____ weeks.

　　A 11, 13

　　B 12, 14

　　C 13, 15

　　D 14, 16

　　E 15, 17

　　ans:E