Statements regarding project crashing

Assignment Help Advanced Statistics
Reference no: EM13228518

Question 1

A GANTT chart represents mainly
Answer
an immediate identification of predecessor task.
a record-keeping device used in scheduling activities.
a general identifier. the number of workers directly involved in the project.
 
Question 2

A PERT/CPM activity has an optimistic time estimate of 3 days, a most likely time estimate of 8 days, and a pessimistic time estimate of 10 days. The expected time (in days) of this activity is:
Answer
7.0
7.5
8.0
8.5
 
Question 3

A PERT/CPM activity has an optimistic time estimate of 4 days, a most likely time estimate of 6 days, and a pessimistic time estimate of 10 days. The standard deviation of this activity is:
Answer
7/6
1/3
2/3
1.0
 
Question 4

A list of the tasks, broken down into modules, components, and individual tasks, is called a
Answer
work breakdown structure (WBS).
PERT.
planning matrix.
critical path.
 
Question 5

A work breakdown structure breaks down a project into
Answer
weeks.
areas.
arcs.
modules.
 
Question 6

Consider the following project.

 


What is the critical path?
Answer
ACFG
ADFG
BEG
ACDFG
 
Question 7

Consider the following project.

 

What is the minimum possible time for completing this project?
Answer
15 days
16 days
18 days
20 days
 
Question 8

Consider the following project.


Compute the slack time for activity C.
Answer
0
4
2
3
 
Question 9

Consider the following project.


What is the latest possible time that Activity E can be started without delaying the completion of the project?
Answer
8
3
7
9
 
Question 10

Consider the following project.


What is the latest time that activity B can start without delaying the project?
Answer
0
8
4
7
 
Question 11

Consider the following project.


What is the latest time that activity B can finish without delaying any other activities?
Answer
0
8
9
4
 
Question 12

Consider the following project.

Determine the critical path.
Answer
ACEH
BCEH
BDFH
BDGH
 
Question 13

Consider the following project.


Determine the estimated completion time of the project.
Answer
23 days
22 days
25 days
20 days
 
Question 14

Consider the following project.

 

Determine the slack for activity D.
Answer
2 days
4 days
6 days
5 days
 
Question 15

Consider the following project.


Determine the slack for activity F.
Answer
2 days
3 days
4 days
5 days
 
Question 16

Consider the following project.


How much can activity F be delayed without delaying the project completion?
Answer
1 day
2 days
3 days
4 days
 
Question 17

Elements of project planning include
Answer
defining project objectives.
identifying activities to crash.
calculating expected times and standard deviations.
conducting a "lessons learned" session.
 
Question 18

If an activity cannot be delayed without affecting the entire project, then it is a ________ activity.
Answer
completed
critical
crashed
normal
 
Question 19

If t is the expected completion time for a given activity, then:
Answer
LF = LS - t
EF = ES - t
EF = ES + t
EF = LS - t
 
Question 20

In a CPM/PERT network the critical path is the
Answer
lowest path through the network.
highest path through the network.
shortest path through the network.
longest path through the network.
 
Question 21

Joe used a project management software package and has determined the following results for a given project:

What is the probability of completing the project within 20 days?
Answer
0.3849
0.8849
0.1151
0.7642
 
Question 22

Joe used a project management software package and has determined the following results for a given project.:

What is the probability of completing the project over 20 days?
Answer
0.3849
0.8849
0.1151
0.7642
 
Question 23

Once a project is underway, the project manager is responsible for the
Answer
people.
cost.
time.
All of these
 
Question 24

Project control involves
Answer
crashing.
three time estimates.
a backward or forward pass.
earned value analysis.
 
Question 25

Project management differs from management of more traditional day-to-day activities because
Answer
it has limited time frame.
it has an unlimited budget.
it is more expensive.
it involves more of the workforce.
 
Question 26

The LS and LF are calculated using the
Answer
backward pass through the network.
forward pass through the network.
values for ES and EF.
backward and forward pass through the network.
 
Question 27

The activities that must be completed prior to the start of an activity in question are called the immediate ________ of the activity in question.
Answer
successors
predecessors
successors and predecessors
followers
 
Question 28

The critical path is the ________ path through the network.
Answer
longest
shortest
straightest
most expensive
 
Question 29

The normal cost for an activity is $7,000 and the crash cost is $12,000. The normal time to complete this activity is 8 days and crash time is 4 days. If this activity is crashed by 2 days it will cost an additional:
Answer
$1000
$1250
$2000
$2500
 
Question 30

Which of these statements regarding project crashing is true?
Answer
Crashing is not possible unless there are multiple critical paths.
Activities not on the critical path cannot become critical after crashing.
Crashing shortens the project duration by assigning more resources to one or more of the critical tasks.
Crashing a project often reduces the time it takes for lengthy or complex, but noncritical activities.

Reference no: EM13228518

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