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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

Instantaneous center of rotation of a link in a four bar mechanism lies on _______________?
A right side pivot of this link
B lift side pivot of this link
C a point obtained by intersection on extending adjoining links
D can’t occur
Correct Answer: a point obtained by intersection on extending adjoining links
According to Kennedy’s theorem, if three bodies have plane motions, their instantaneous centers lie on___________________?
A a triangle
B a point
C two lines
D a straight line
Correct Answer: a straight line
Two systems shall be dynamically equivalent when____________________?
A the mass of two are same
B e.g. of two coincides
C M.I. of two about an axis through e.g. is equal
D all of the above
Correct Answer: all of the above
Corioli’s component of acceleration exists whenever a point moves along a path that has________________?
A linear displacement
B rotational motion
C tangential acceleration
D centripetal acceleration
Correct Answer: rotational motion
In a shaper mechanism, the Corioli’s component of acceleration will_______________?
A not exist
B exist
C depend on position of crank
D unpredictable
Correct Answer: exist
Tangential acceleration direction is_________________?
A along the angular velocity
B opposite to angular velocity
C may be any one of these
D perpendicular to angular velocity
Correct Answer: may be any one of these
Klein’s construction gives a graphica construction for________________?
A slider-crank mechanism
B velocity polygon
C acceleration polygon
D four bar chain mechanism
Correct Answer: acceleration polygon
The number of centers in a crank driven slider crank mechanism are_______________?
A 0
B 2
C 4
D 6
Correct Answer: 2
The sense of Corioli’s component is such that it_________________?
A leads the sliding velocity vector by 90°
B lags the sliding velocity vector by 90°
C is along the sliding velocity vector
D leads the sliding velocity vector by 180°
Correct Answer: leads the sliding velocity vector by 90°
Klein’s construction is useful to determine__________________?
A velocity of various parts
B acceleration of various parts
C displacement of various parts
D angular acceleration of various parts
Correct Answer: acceleration of various parts
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