Can you crack down all the questions of this "Operations Research MCQ Quiz!?" Try your luck, buddy! Operations research (OR) is meant by an analytical method that is used for problem-solving and decision-making that is also useful in the management of organizations. In operations research, problems have to be broken down into basic components, and then these problems are solved in defined steps by mathematical analysis. So, should we proceed with the quiz as you have understood the basics? Let's go!
0.5000
0.6826
0.2586
0.3174
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Interfering float = Total float – Free float
Total float =Free float + Independent float
Total float ≥ Free float ≥ Independent float
Free float = Total float – Head event slack
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Always focus on critical path and choose between critical activities only.
Crashing cost per day = (Crash cost – Normal cost) / (Normal time – Crash time).
Of all activities of the project, choose the activity with the least crashing cost.
If there are multiple the critical paths, crash them all.
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All the predecessor(s) of an activity should be focused on.
Only immediate predecessor(s) should be focussed on.
Redundant predecessors should be dropped.
Care must be taken that there is no logical fault in it as may result in the formation of a loop.
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Its free float is three days.
Its independent float is 0.
It is a critical activity.
The ES of this activity is 8.
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0.6293
0.8413
0.1587
0.3707
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The head event of activity also represents the tail event of its predecessor activity.
Nodes should be numbered in such a way that, for every activity, the initial node bears a lower number while the final node bears a higher number.
The event marking the start of an activity is called head event, and the event marking the end is termed a tail-event.
In drawing a network, it may happen that A precedes B, B precedes C, and C precedes A.
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PERT is probabilistic in nature.
CPM is deterministic in nature.
CPM is event-oriented.
CPM and PERT use similar terminology but were developed independently.
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All activities on a critical path are critical activities.
A project network may have none, one, or more critical paths.
A delay in critical activity surely delays the completion of project.
Each critical activity has identical earliest and the latest start times.
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