M C Q s D r i v e

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.

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
The maximum value of the pressure angle in case of cam is kept as________________?
A 10°
B 14°
C 20°
D 30°
Correct Answer: 30°
Cam size depends upon__________________?
A base circle
B pitch circle
C prime circle
D outer circle
Correct Answer: base circle
A circle passing through the pitch point with its center at the center of cam axis is known as___________________?
A pitch circle
B base circle
C prime circle
D outer circle
Correct Answer: prime circle
For the same lift and same angle of ascent, a smaller base circle will give_______________?
A a small value of pressure angle
B a large value of pressure angle
C there is no such relation with pressure angle
D something else
Correct Answer: a large value of pressure angle
Angle of descent of cam is defined as the angle__________________?
A during which the follower returns to its initial position
B of rotation of the cam for a definite displacement of the follower
C through which the cam rotates during the period in which the follower remains in the highest position
D moved by the cam from the instant the follower begins to rise, till it reaches its highest position
Correct Answer: during which the follower returns to its initial position
Angle of dwell of cam is defined as the angle________________?
A during which the follower returns to its initial position
B of rotation of the cam for definite dis¬placement of the follower
C through which the cam rotates during the period in which the follower remains in the highest position
D moved by the cam from the instant the follower begins to rise, till it reaches its highest position
Correct Answer: through which the cam rotates during the period in which the follower remains in the highest position
Cam angle is defined as the angle_________________?
A during which the follower returns to its initial position
B of rotation of the cam for a definite displacement of the follower
C through which, the cam rotates during the period in which the follower remains in the highest position
D moved by the cam from the instant the follower begins to rise, till it reaches its highest position
Correct Answer: of rotation of the cam for a definite displacement of the follower
Angle of ascent of cam is defined as the angle___________________?
A during which the follower returns to its initial position
B of rotation of the cam for a definite displacement of the follower
C through which the cam rotates during the period in which the follower remains in highest position
D moved by the cam from the instant the follower begins to rise, till it reaches its highest position
Correct Answer: moved by the cam from the instant the follower begins to rise, till it reaches its highest position