A. perpendicular to sliding surfaces
B. along sliding surfaces
C. somewhere in between above two
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 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. - 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 - In a shaper mechanism, the Corioli’s component of acceleration will_______________?
A. not exist
B. exist
C. depend on position of crank
D. unpredictable
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 - If there are L number of links in a mechanism then number of possible inversions is equal to_______________?
A. L + 1
B. L – 1
C. L
D. L + 2
E. L – 2 - Rectilinear motion of piston is converted into rotary by_______________?
A. cross head
B. slider crank
C. connecting rod
D. gudgeon pin
E. four bar chain mechanism - Elements of pairs held together mechanically is known as ___________________?
A. closed pair
B. open pair
C. mechanical pair
D. rolling pair
E. none of the above - Crowning on pulleys helps__________________?
A. in increasing velocity ratio
B. in decreasing the slip of the belt
C. for automatic adjustment of belt posi-tion so that belt runs centrally
D. increase belt and pulley life
E. none of the above - Whitworth quick return mechanism is obtained by inversion of___________________?
A. slider crank mechanism
B. kinematic chain
C. five link mechanism
D. roller cam mechanism
E. none of the above
