A. not exist
B. exist
C. depend on position of crank
D. unpredictable
E. none of the above
Related Mcqs:
- The direction of Corioli’s component of acceleration is the direction _____________________?
A. of relative velocity vector for the two coincident points rotated by 90° in the direction of the angular velocity of the rotation of the link
B. along the centripetal acceleration
C. along tangential acceleration
D. along perpendicular to angular velocity
E. none 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
E. none of the above - Corioli’s component is encountered in_________________?
A. quick return mechanism of shaper
B. four bar chain mechanism
C. slider crank mechanism
D. A. and C. above
E. all of the above. - Corioli’s component acts________________?
A. perpendicular to sliding surfaces
B. along sliding surfaces
C. somewhere in between above two
D. unpredictable
E. none of the above - 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°
E. none of the above - The values of velocity and acceleration of piston at near dead center for a slider-crank mechanism will be________________?
A. 0, and more than co2r
B. 0, and less than coV
C. 0, 0
D. cor, 0
E. none of the above - A typewriter mechanism has 7 number of binary joints, six links and none of higher pairs. The mechanism is________________?
A. kinematically sound
B. not sound
C. soundness would depend upon which link is kept fixed
D. data is not sufficient to determine same
E. none of the above - The velocity of any point in mechanism relative to any other point on the mechanism on velocity polygon is represented by the line________________?
A. joining the corresponding points
B. perpendicular to line as per A.
C. not possible to determine with these data
D. at 45° to line as per A.
E. none of the above - Klein’s construction can be used to determine acceleration of various parts when the crank is at_________________?
A. inner dead centre
B. outer dead centre
C. right angles to the link of the stroke
D. at 45° to the line of the stroke
E. all of the above - The absolute acceleration of any point P in a link about center of rotation 0 is___________________?
A. along PO
B. perpendicular to PO
C. at 45° to PO
D. along OP
E. none of the above
