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A universal joint is an example of

A. Higher pair

B. Lower pair

C. Rolling pair

D. Sliding pair

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  1. In the two rotor system as shown in the below figure (I₁ < I₂), a node of vibration is…
  2. Balancing of rotating and reciprocating parts of an engine is necessary when it runs at
  3. In a Hartnell governor, the compression of the spring is __________ the lift of the sleeve.
  4. Relationship between the number of links (L) and number of pairs (P) is
  5. The tractive force in a locomotive with two cylinders is given by (where c = Fraction of reciprocating…
  6. The natural frequency of free transverse vibrations due to a point load acting over a simply supported…
  7. The natural frequency of free transverse vibrations due to uniformly distributed load acting over a…
  8. The Coriolis component of acceleration acts
  9. A cam with a roller follower would constitute following type of pair
  10. A rotor supported at A and B carries two masses as shown in the below figure. The rotor is
  11. In under damped vibrating system, the amplitude of vibration
  12. The maximum or minimum value of the swaying couple is
  13. The type of coupling used to join two shafts whose axes are neither in same straight line nor parallel,…
  14. The displacement of a flat faced follower when it has contact with the flank of a circular arc cam,…
  15. Two pulleys of radii r₁ and r₂ and at distance x apart are connected by means of an open…
  16. A point on a link connecting double slider crank chain traces a
  17. The direction of linear velocity of any point on a link with respect to another point on the same link…
  18. The acceleration of the reciprocating roller follower when it has contact with the straight flanks of…
  19. In a steam engine, one method of obtaining the earlier cut-off with a simple slide valve is by increasing…
  20. Sensitiveness of the governor is defined as the ratio of the
  21. A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The total acceleration…
  22. A spring controlled governor is said to be isochronous when the controlling force
  23. The frictional torque transmitted in a flat pivot bearing, considering uniform pressure, is (where μ…
  24. The fundamental equation for correct steering is (where φ and α = Angle through which the…
  25. The advantage of the piston valve over the slide valve is that in the former case
  26. In a multiple V-belt drive, if one of the belts is broken, then we should replace
  27. The tendency of a body to resist change from rest or motion is known as
  28. A fixed gear having 200 teeth is in mesh with another gear having 50 teeth. The two gears are connected…
  29. An imaginary circle which by pure rolling action, gives the same motion as the actual gear, is called
  30. A spring controlled governor is found unstable. It can be made stable by