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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 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
Klein’s construction can be used when_________________?
A crank has a uniform angular velocity
B crank has non-uniform velocity
C crank has uniform angular acceleration
D crank has uniform angular velocity and angular acceleration
Correct Answer: crank has a uniform angular velocity
Corioli’s component acts________________?
A perpendicular to sliding surfaces
B along sliding surfaces
C somewhere in between above two
D unpredictable
Correct Answer: perpendicular to sliding surfaces
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