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Which of the following governor is used to drive a gramophone?

A. Watt governor

B. Porter governor

C. Pickering governor

D. Hartnell governor

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. The type of gears used to connect two non parallel and non intersecting shafts is
  2. In order to balance the reciprocating masses,
  3. A higher pair has__________.
  4. A mechanism __________ for transmitting or transforming motion.
  5. A body in motion will be subjected to coriolis acceleration when that body is
  6. When a rigid body is suspended vertically and it oscillates with a small amplitude under the action…
  7. The angle of inclination of the plane, at which the body begins to move down the plane is called
  8. The displacement of the D-slide valve is __________ the steam lap by a distance known as lead of the…
  9. The periodic time of a compound pendulum is __________ when the distance between the point of suspension…
  10. When two pulleys are connected by means of a cross belt drive, then both the pulleys will rotate in…
  11. Oldham's coupling is the
  12. Which of the following is an example of sliding pair?
  13. One end of a helical spring is fixed while the other end carries the load W which moves with simple…
  14. When a slider moves on a fixed link having curved surface, their instantaneous centre lies
  15. The lower pairs are __________ pairs.
  16. A cam mechanism imparts following motion
  17. The velocity of the belt for maximum power is (where m = Mass of the belt in kg per metre length)
  18. In a gear having involute teeth, the normal to the involute is a tangent to the
  19. A fixed gear having 200 teeth is in mesh with another gear having 50 teeth. The two gears are connected…
  20. The number of links and instantaneous centers in a reciprocating engine mechanism are
  21. A circular bar moving in a round hole is an example of
  22. Two pulleys of radii r₁ and r₂ and at distance x apart are connected by means of a cross…
  23. In under damped vibrating system, the amplitude of vibration
  24. In a band and block brake, the ratio of tensions on tight side and slack side of the band is (where…
  25. Frequency of vibrations is usually expressed in
  26. The critical speed of a shaft depends upon its
  27. If ω/ωn is very high for a body vibrating under steady state vibrations, the phase angle for…
  28. In order to give the primary balance of the reciprocating parts of a multi-cylinder inline engines,
  29. The maximum efficiency of a screw jack is
  30. Torsional vibrations are said to occur when the particles of a body moves