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Crowning on pulleys helps

A. In increasing velocity ratio

B. In decreasing the slip of the belt

C. For automatic adjustment of belt position so that belt runs centrally

D. Increase belt and pulley life

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

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  1. The acceleration of the particle moving with simple harmonic motion is _________ at the mean position.
  2. The two elements of a pair are said to form a _________ when they permit relative motion between them.
  3. The method of direct and reverse cranks is used in engines for
  4. In a turning moment diagram, the variations of energy above and below the mean resisting torque line…
  5. Creep in belt drive is due to
  6. The relation between number of pairs (p) forming a kinematic chain and the number of links (l) is
  7. Which of the following disciplines provides study of the relative motion between the parts of a machine…
  8. Which of the following is an open pair?
  9. Klein's construction gives a graphic construction for
  10. The frictional torque transmitted in a flat pivot bearing, considering uniform wear, is (where μ…
  11. The frictional torque transmitted in a conical pivot bearing, considering uniform pressure, is (where…
  12. Which is the false statement about the properties of instantaneous centre?
  13. Frequency of vibrations is usually expressed in
  14. Angle of descent of cam is defined as the angle
  15. The amplitude of vibration is always __________ the radius of the circle.
  16. A simple spring-mass vibrating system has a natural frequency of fn. If the spring stiffness is halved…
  17. A system in dynamic balance implies that
  18. Which of the following property of the instantaneous centre is correct?
  19. The frictional torque transmitted in a conical pivot bearing, considering uniform wear, is
  20. The secondary unbalanced force is __________ the primary unbalanced force.
  21. The frictional torque transmitted in a truncated conical pivot bearing, considering uniform pressure,…
  22. The equation of motion for a single degree of freedom system with viscous damping is 4(dx²/dt²)…
  23. The two elements of a pair are said to form a higher pair, when they
  24. Torsional vibrations are said to occur when the particles of a body moves
  25. Rectilinear motion of piston is converted into rotary by
  26. If the pressure angle is __________, a reciprocating follower will jam in its bearings.
  27. The sense of Coriolis component is such that it
  28. The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction)
  29. Cylindrical cams can be classified as
  30. The axis of precession is __________ to the plane in which the axis of spin is going to rotate.