The example of higher pair is_________________?

Related Mcqs:

1. 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

2. 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

3. 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

4. Higher pairs are those which have_________________?

   A. point or line contact between the two elements when in motion
   B. surface contact between the two ele-ments when in motion
   C. elements of pairs not held together mechanically
   D. two elements that permit relative motion
   E. none of the above

5. 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

6. For fluctuating loads, welsuited bearing is_________________?

   A. ball bearing
   B. roller bearing
   C. needle roller bearing
   D. thrust bearing
   E. sleeve bearing

7. 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

8. 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

9. The lower pair is a_____________________?

   A. open pair
   B. closed pair
   C. sliding pair
   D. point contact pair
   E. does not exist

10. 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