A. open pair
B. closed pair
C. sliding pair
D. point contact pair
E. does not exist
Related Mcqs:
- The example of lower pair is_______________?
A. shaft revolving in a bearing
B. straight line motion mechanisms
C. automobile steering gear
D. all of the above
E. none of the above - Which of the following is a lower pair_______________?
A. ball and socket i
B. piston and cylinder
C. cam and follower
D. A. and B. above
E. belt drive - Which of the following mechanism is obtained from lower pair________________?
A. gyroscope
B. pantograph
C. valve and valve gears
D. generated straight line motions
E. all of the above - Lower pairs are those which have___________________?
A. point or line contact between the two elements when in motion
B. surface contact between the two elements when in motion
C. elements of pairs not -held together mechanically
D. two elements that permit relative motion
E. none of the above - The example of rolling pair is________________?
A. bolt and nut
B. lead screw of a lathe
C. ball and socket joint
D. ball bearing and roller bearing
E. all of the above - The example of spherical pair is_____________________?
A. bolt and nut
B. lead screw of a lathe
C. ball and socket joint
D. ball bearing and roller bearing
E. none of the above - In higher pair, the relative motion is_____________________?
A. purely turning
B. purely sliding
C. purely rotary
D. purely surface contact
E. combination of sliding and turning - The example of higher pair is_________________?
A. belt, rope and chain drives
B. gears, cams
C. ball and roller bearings
D. all of the above
E. none of the above - If two moving elements have surface contact in motion, such pair is known as_________________?
A. sliding pair
B. rolling pair
C. surface pair
D. lower pair
E. higher pair - The main disadvantage of the sliding pair is that it is_________________?
A. bulky
B. wears rapidly
C. difficult to manufacture
D. A. and B. above
E. A. and C. above
