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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

Pitch point on a cam is_________________?
A any point on pitch curve
B the point on cam pitch curve having the maximum pressure angle
C any point on pitch circle
D the point on cam pitch curve having the minimum pressure angle
Correct Answer: the point on cam pitch curve having the maximum pressure angle
A universal joint is an example of_____________________?
A higher pair
B lower pair
C rolling pair
D sliding pair
Correct Answer: lower pair
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
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