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Mechanical Engineering Mcqs 1919 MCQs [All-Courses]

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Mechanical Engineering MCQs prepared for job test and interview preparation, especially for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover key topics such as Machine Design, Theory of Machines, Hydraulic Machines, and other important mechanical engineering concepts.

All Topics  1919

An event is indicated on the network by_________________?
A a straight line
B a number enclosed in a circle or a square
C a straight line with circles at the ends
D a dotted line
Correct Answer: a number enclosed in a circle or a square
Activity s,lack or float of any event on a PERT/CPM chart is represented by__________________?
A latest start time of succeeding event -earliest finish time of preceding event activity time
B latest start time of the event – earliest start time of the event
C latest finish time of event – earliest finish time of the event
D anyone of the above
Correct Answer: anyone of the above
Pick up the correct statement. Dummy activity on a PERT/CPM chart means, it_________________?
A consumes time, but no resources
B consumes resources but no time
C consumes neither time nor resources
D is a dangling event
Correct Answer: consumes neither time nor resources
Slack of various events on the critical path in PERT/CPM chart___________________?
A increases continuously
B decreases continuously
C remains constant
D may increase or decrease depending on various factors
Correct Answer: remains constant
The time which results in the least possible direct cost of an activity is known as________________?
A normal time
B slow time
C crash time
D standard time
Correct Answer: slow time
Critical Path Net Work helps an engineer_________________?
A to concentrate his attention on critical activities
B to divert the resources from non-critical advanced activities to critical activities
C to be cautious for avoiding any delay in the critical activities to avoid delay of the whole project
D all of the above
Correct Answer: all of the above
The time by which the activity completion time can be delayed without affecting the start of succeeding activities, is Known as_________________?
A duration
B total float
C free float
D interfering float
Correct Answer: free float
If TL is the largest allowable event occurrence time, total activity slack (s) is equal to__________________?
A latest start time – earliest start time
B latest finish time – earliest finish time (EFT)
C TL-EFT
D all of the above
Correct Answer: all of the above
The probability distribution of activity times in PERT follows following distribution__________________?
A normal
B binomial
C beta
D exponential
Correct Answer: beta
The performance of a specific task in CPM is known as ______________________?
A dummy
B event
C activity
D contract
Correct Answer: activity
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