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Flexible coupling is used because

A. It is easy to disassemble

B. It is easy to engage and disengage

C. It transmits shocks gradually

D. It prevents shock transmission and eliminates stress reversals

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

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  1. In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line…
  2. The frictional torque transmitted in a conical pivot bearing, considering uniform wear, is
  3. The critical speed of a shaft with a disc supported in between is equal to the natural frequency of…
  4. When the sleeve of a Porter governor moves upwards, the governor speed
  5. Length of arc of contact is given by
  6. Angle of dwell of cam is defined as the angle
  7. In full depth involute system, the smallest number of teeth in a pinion which meshes with rack without…
  8. The natural frequency of free transverse vibrations due to uniformly distributed load acting over a…
  9. A rigid body possesses ________degrees of freedom
  10. For the same lift and same angle of ascent, a smaller base circle will give
  11. In a Hartnell governor, the lift of the sleeve is given by (where r₁ and r₂ = Max. and…
  12. The motion between a pair when limited to a definite direction, irrespective of the direction of force…
  13. The brake commonly used in railway trains is
  14. The dynamic friction is the friction experienced by a body, when the body
  15. Under logarithmic decrement, the amplitude of successive vibrations are
  16. The contact ratio is given by
  17. Sensitiveness of the governor is defined as the ratio of the
  18. Ball and a Socket forms a
  19. Which of the following is false statement in respect of differences between machine and structure?
  20. In a Hartnell governor, the stiffness of the spring is given by (where S1 and S2 = Spring forces exerted…
  21. The size of cam depends upon
  22. If the pressure angle is __________, a reciprocating follower will jam in its bearings.
  23. A completely constrained motion can be transmitted with.
  24. A kinematic chain is known as a mechanism when
  25. An automobile steering gear is an example of
  26. When two pulleys of different diameters are connected by means of an open belt, the angle of contact…
  27. Which of the following has sliding motion?
  28. The secondary unbalanced force is maximum when the angle of inclination of the crank with the line of…
  29. In a reciprocating engine, usually __________ of the reciprocating masses are balanced.
  30. For an involute gear, the ratio of base circle radius and pitch circle radius is equal to