Acceleration Mechanisms MCQs : This section focuses on the "Acceleration Mechanisms". These Multiple Choice Questions (MCQs) should be practiced to improve the Acceleration Mechanisms skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
A slider moves with uniform velocity v on a revolving link of length r with angular velocity of ω. The Coriolis acceleration component of a point on the slider relative to a coincident point on the link is equal to
A. 2rω parallel to the link
B. 2ωv perpendicular to the link
C. 2rω perpendicular to the link
D. 2ωv parallel to the link
Question 2
Angular acceleration of a link AB is given by
A. centripetal acceleration/length
B. tangential acceleration/length
C. total acceleration/length
D. none of the mentioned
Question 3
At an instant the link AB of length r has an angular velocity ω and an angular acceleration α. What is the total acceleration of AB?
A. [(ω2r)2 + αr)2]1/2
B. [(ωr)2 + αr)2]1/2
C. [(ω2r)2 + αr)]1/2
D. [(ω2r)2 + αr)2]1/2
Question 4
At an instant, if the angular velocity of a link is clockwise then the angular acceleration will be
A. clockwise
B. counterclockwise
C. in any direction
D. none of the mentioned
Question 5
The component of the acceleration directed towards the center of rotation of a revolving body is known as ____________ component.
A. tangential
B. centripetal
C. coriolis
D. none of the mentioned
Question 6
The fixed instantaneous center of mechanism
A. varies with the configuration
B. remains at the same place for all configurations
C. all of the mentioned
D. none of the mentioned
Question 7
The instantaneous center of rotation of a circular disc rolling on a straight path is
A. at the center of the disc
B. at their point of contact
C. at the center of gravity of the disc
D. at infinity
Question 8
The instantaneous centers of a slider moving in a curved surface lies at
A. infinity
B. their point of contact
C. the center of curvature
D. the pin point
Question 9
The locus of instantaneous center of a moving body relative to a fixed body is known as the
A. space centrode
B. body centrode
C. moving centrode
D. none of the mentioned
Question 10
The space centrode of a circular disc rolling on a straight path is
A. circle
B. parabola
C. a straight line
D. none of the mentioned