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A pulley and belt in a belt drive form a

A. Cylindrical pair

B. Turning pair

C. Rolling pair

D. Sliding pair

Correct Answer : B.


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  1. The dynamic friction is the friction experienced by a body, when the body
  2. Whirling speed of the shaft is the speed at which
  3. The advantage of the piston valve over the slide valve is that in the former case
  4. The moment on the pulley which produces rotation is called
  5. The natural frequency of free transverse vibrations due to a point load acting over a simply supported…
  6. A reed type tachometer use the principle of
  7. In vibration isolation system, the transmissibility will be equal to unity, for all values of damping…
  8. The equivalent length of a simple pendulum which gives the same frequency as a compound pendulum is
  9. If the number of links in a mechanism is equal to l, then the numbers of possible inversions are equal…
  10. The partial balancing means
  11. Which gear is used for connecting two coplanar and intersecting shafts?
  12. A simple spring-mass vibrating system has a natural frequency of fn. If the spring stiffness is halved…
  13. A kinematic chain requires at least
  14. Maximum fluctuation of energy in a flywheel is equal to [where I = Mass moment of inertia of the flywheel,…
  15. When the body is suspended at the point of suspension, its periodic time and frequency will be ________…
  16. One end of a helical spring is fixed while the other end carries the load W which moves with simple…
  17. Two heavy rotating masses are connected by shafts of lengths l₁, l₂ and l₃ and…
  18. Length of arc of contact is given by
  19. The velocity of a body moving with simple harmonic motion is __________ at the mean position.
  20. In a differential band brake as shown in the below figure, the drum rotates anticlockwise and the greater…
  21. The contact ratio for gears is
  22. Kinematic pairs are those which have
  23. Which of the following is a turning pair?
  24. The ratio of maximum fluctuation of speed to the mean speed is called
  25. The rotor of a ship rotates in clockwise direction when viewed from stern and the ship takes a left…
  26. In a Hartnell governor, the stiffness of the spring is given by (where S1 and S2 = Spring forces exerted…
  27. In its simplest form, a cam mechanism consists of following number of links
  28. The Coriolis component of acceleration acts
  29. At the nodal point in a shaft, the amplitude for torsional vibration will be
  30. In order to double the period of a simple pendulum, the length of the string should be