Operations Research MCQ Quiz!
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- 1.CPM is:
- A.
Critical Project Management
- B.
Critical Path Management
- C.
Critical Path Method
- D.
Crash Project Method
- 2.Which of these is not correct?
- A.
PERT is probabilistic in nature.
- B.
CPM is deterministic in nature.
- C.
CPM is event-oriented.
- D.
CPM and PERT use similar terminology but were developed independently.
- 3.Mark the wrong statement:
- A.
A project is a set of activities that can be performed in a certain logical sequence.
- B.
A network is a graphic portrayal of independency relationship among the activities of a project.
- C.
An arrow representing an activity can have any length and shape.
- D.
An activity cannot be represented by more than one arrow but an arrow can represent one or more activities.
- 4.Point out what is not required While considering precedence relationships.
- A.
All the predecessor(s) of an activity should be focussed on.
- B.
Only immediate predecessor(s) should be focussed on.
- C.
Redundant predecessors should be dropped.
- D.
Care must be taken that there is no logical fault in it as may result in formation of a loop.
- 5.Mark the wrong statement.
- A.
The head event of an activity also represents tail event of its predecessor activity.
- B.
Nodes should be numbered in such a way that, for every activity, the initial node bears a lower number while final node bears a higher number.
- C.
The event marking start of an activity called head event and the event marking the end is termed as tail-event.
- D.
In drawing a network, it may happen that A precedes B, B precedes C, and C precedes A.
- 6.Which of the following is not a rule of network construction?
- A.
Each defined activity is represented by one and only one arrow.
- B.
A network should have only initial and one terminal node.
- C.
Identical initial and final nodes can identify two activities.
- D.
Only as few dummy activities should be included as is warranted.
- 7.Mark the wrong statement.
- A.
Forward pass calculations yield the earliest and the latest start and finish times of various activities.
- B.
The difference between the latest and the earliest finish times of an activity is its total float.
- C.
Free float of an activity cannot exceed its total float.
- D.
Determination of the earliest and the latest start time of various activities of a project is useful for proper planning of their execution.
- 8.It is known that in a project, activity 4-6 has a duration of six days and a total float of three days. The E and L times at node 4 are 8 and 11 respectively while, at node 6, both are equal to 17. Which of the following is not a true statement about 4-6?
- A.
Its free float is three days.
- B.
Its independent float is 0.
- C.
It is a critical activity.
- D.
The ES of this activity is 8.
- 9.Mark the wrong statement.
- A.
All activities on a critical path are critical activities.
- B.
A project network may have none, one, or more critical paths.
- C.
A delay in critical activity surely delays the completion of project.
- D.
Each critical activity has identical earliest and the latest start times.
- 10.Pick the wrong relationship:
- A.
Interfering float = Total float – Free float
- B.
Total float =Free float + Independent float
- C.
Total float ≥ Free float ≥ Independent float
- D.
Free float = Total float – Head event slack
- 11.Which of the following is not correct in respect of PERT calculations?
- A.
Expected time of an activity is a weighted average of three times estimates, a, m, and b with respective weights of 1, 4, and 1.
- B.
The completion time of an activity is assumed to follow normal distribution.
- C.
The standard deviation of activity completion time is one-sixth of the excess of pessimistic over optimistic time.
- D.
The sum total of variances of critical activity times gives the variance of the overall project completion time.
- 12.Given, expected duration of project = 47 days, variance = 9 days. What is the probability of not completing the project in 50 days? Z : 0.33 1.0Area : 0.1293 0.3413
- A.
0.6293
- B.
0.8413
- C.
0.1587
- D.
0.3707
- 13.Given, expected duration of project = 47 days, variance = 9 days. Expected Time for Project Completion: 50 days Z : 0.33 1.0Area : 0.1293 0.3413 What is the probability of completing the project within three days more or less than the expected time?
- A.
0.5000
- B.
0.6826
- C.
0.2586
- D.
0.3174
- 14.Which of the following is not true about crashing?
- A.
Always focus on critical path and choose between critical activities only.
- B.
Crashing cost per day = (Crash cost – Normal cost) / (Normal time – Crash time).
- C.
Of all activities of the project, choose the activity with least crashing cost.
- D.
If there are multiple critical paths, crash them all.
- 15.Mark the wrong statement.
- A.
An event that represents the initiation of more than one activity is called the burst event.
- B.
The longest path of a given project gives the maximum duration while its shortest path indicates the shortest duration.
- C.
The resource allocation programmes aim to allocate the given resources in a manner that the project completes in minimum time.
- D.
A non-critical activity may or may not have any free float.
Questions: 10 | Attempts: 39962 | Last updated: Dec 3, 2020
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