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Free download in PDF Machine Kinematics - Linear Acceleration Multiple Choice Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like UPSC, NDA, SSC etc. These short solved questions or quizzes are provided by Gkseries./p>
(1)
The acceleration of a particle at any instant has two components, radial component and tangential component. These two components will be
[A]
parallel to each other
[B]
perpendicular to each other
[C]
inclined at 45°
[D]
opposite to each other
Answer: perpendicular to each other
(2)
The centre of gravity of a coupler link in a four bar mechanism will experience
[A]
no acceleration
[B]
only linear acceleration
[C]
only angular acceleration
[D]
both linear and angular acceleration
Answer: both linear and angular acceleration
(3)
When a point moves along a straight line, its acceleration will have
[A]
radial component only
[B]
tangential component only
[C]
coriolis component only
[D]
radial and tangential components both
Answer: tangential component only
(4)
When a point at the end of a link moves with constant angular velocity, its acceleration will have
[A]
radial component only
[B]
tangential component only
[C]
coriolis component only
[D]
radial and tangential components both
Answer: radial component only
(5)
In a shaper mechanism, the coriolis component of acceleration does not exists.
(6)
The tangential component of acceleration of the slider with respect to the coincident point on the link is called coriolis component of acceleration.
(7)
The coriolis component of acceleration acts
[A]
along the sliding surface
[B]
perpendicular to the sliding surface
[C]
at 45° to the sliding surface
[D]
parallel to the sliding surface
Answer: perpendicular to the sliding surface
(8)
The coriolis component of acceleration is taken into account for
[A]
slider crank mechanism
[B]
four bar chain mechanism
[C]
quick return motion mechanism
[D]
all of the mentioned
Answer: quick return motion mechanism
(9)
The coriolis component of acceleration depends upon
[A]
velocity of slider
[B]
angular velocity of the link
[C]
all of the mentioned
[D]
none of the mentioned
Answer: all of the mentioned
(10)
A body in motion will be subjected to coriolis acceleration when that body is
[A]
in plane rotation with variable velocity
[B]
in plane translation with variable velocity
[C]
in plane motion which is a resultant of plane translation and rotation
[D]
restrained to rotate while sliding over another body
Answer: restrained to rotate while sliding over another body
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