Which of the following is a lower pair_______________?

Related Mcqs:

1. 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

2. 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

3. The lower pair is a_____________________?

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

4. 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

5. Which of the following would constitute a link__________________?

   A. piston, piston rings and gudgeon pin
   B. piston, and piston rod
   C. piston rod and cross head
   D. piston, crank pin and crank shaft
   E. piston, piston-rod and cross head

6. Which of the following disciplines provides study of the relative motion between the parts of a machine and the forces acting on the parts___________________?

   A. theory of machines
   B. applied mechanics
   C. mechanisms
   D. kinetics
   E. kinematics

7. In gramophones for adjusting the speed of the turntable, the following type of governor is commonly employed_______________?

   A. Hartung governor
   B. Wilson Hartnell governor
   C. Pickering governor
   D. Inertia governor
   E. none of the above

8. Which of the following is false statement in respect of differences between machine and structure___________________?

   A. Machines transmit mechanical work, whereas structures transmit forces
   B. In machines, relative motion exists be-tween its members, whereas same does hot exist in case of structures
   C. Machines modify movement and work, whereas structures modify forces
   D. Efficiency of machines as well as structures is below 100%
   E. Machines are run by electric motors, but structures are not

9. In its simplest form, a cam mechanism consists of following number of links___________________?

   A. 1
   B. 2
   C. 3
   D. 4
   E. none

10. A cam with a roller follower would con stitute following type of pair______________?

    A. lower pair
    B. higher pair
    C. open pair
    D. close pair
    E. cam pair