A. bulky
B. wears rapidly
C. difficult to manufacture
D. A. and B. above
E. A. and C. above
Related Mcqs:
- Which of the following has sliding motion________________?
A. crank
B. connecting rod
C. crank pin
D. cross-head
E. cross head guide - A slider crank chain consists of following numbers of turning and sliding pairs_________________?
A. I, 3
B. 2, 2
C. 3, 1
D. 4, 0
E. 0, 4 - 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 - Pitch point on a cam is_________________?
A. any point on pitch curve
B. the point on cam pitch curve having the maximum pressure angle
C. any point on pitch circle
D. the point on cam pitch curve having the minimum pressure angle
E. none of the above - For fluctuating loads, welsuited bearing is_________________?
A. ball bearing
B. roller bearing
C. needle roller bearing
D. thrust bearing
E. sleeve bearing - Tangential acceleration direction is_________________?
A. along the angular velocity
B. opposite to angular velocity
C. may be any one of these
D. perpendicular to angular velocity
E. none of the above - 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 - 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 - The lower pair is a_____________________?
A. open pair
B. closed pair
C. sliding pair
D. point contact pair
E. does not exist - The type of pair formed by two elements which are so connected that one is constrained to turn or revolve about a fixed axis of another element is known as__________________?
A. turning pair
B. rolling pair
C. sliding pair
D. spherical pair
E. lower pair