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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

The example of lower pair is_______________?
A shaft revolving in a bearing
B straight line motion mechanisms
C automobile steering gear
D all of the above
Correct Answer: all of the above
Which of the following is a lower pair_______________?
A ball and socket i
B piston and cylinder
C cam and follower
D A. and B. above
Correct Answer: A. and B. above
Which of the following disciplines provides study of the relative motion between the parts of a machine and the forces acting on the parts__________________?
A theory of machines
B applied mechanics
C mechanisms
D kinetics
Correct Answer: theory of machines
Higher pairs are those which have_________________?
A point or line contact between the two elements when in motion
B surface contact between the two ele-ments when in motion
C elements of pairs not held together mechanically
D two elements that permit relative motion
Correct Answer: point or line contact between the two elements when in motion
A cam with a roller follower would con stitute following type of pair______________?
A lower pair
B higher pair
C open pair
D close pair
Correct Answer: higher pair
“Open pairs are those which have__________________?
A point or line contact between the two elements when in motion
B surface contact between the two ele-ments when in motion
C elements of pairs not held together mechanically
D two elements that permit relative motion
Correct Answer: elements of pairs not held together mechanically
Hart mechanism has________________?
A eight links
B six links
C four links
D twelve links
Correct Answer: six links
The main disadvantage of the sliding pair is that it is_________________?
A bulky
B wears rapidly
C difficult to manufacture
D A. and B. above
Correct Answer: A. and B. above
An eccentric sheave pivoted at one point rotates and transmits oscillatory motion to a link whose one end is pivoted and other end is connected to it. This mechanism has___________________?
A 2 links
B 3 links
C 4 links
D 5 links
Correct Answer: 4 links
In its simplest form, a cam mechanism consists of following number of links___________________?
A 1
B 2
C 3
D 4
Correct Answer: 3
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