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The mechanism consisting of three turning pairs and one sliding pair, is called a

A. Single slider crank chain

B. Whitworth quick return motion mechanism

C. Crank and slotted lever quick return motion mechanism

D. All of the above

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  1. In S.H.M., the velocity vector w.r.t. displacement vector
  2. The unbalanced force due to revolving masses
  3. A combination of kinematic pairs, joined in such a way that the relative motion between the links is…
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  5. For high speed engines, the cam follower should move with
  6. The equation of motion for a vibrating system with viscous damping is (d²x/dt²) + (c/m).(dx/dt)…
  7. The acceleration of a particle moving with simple harmonic motion, at any instant is given by
  8. The pressure angle of a cam depends upon
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  10. The velocity of any point in mechanism relative to any other point on the mechanism on velocity polygon…
  11. Oldham's coupling is the
  12. Which is the false statement about the properties of instantaneous centre?
  13. In a differential band brake as shown in the below figure, the drum rotates anticlockwise and the greater…
  14. If ω/ωn = 2, where co is the frequency of excitation and ωn is the natural frequency…
  15. A point on a connecting link (excluding end points) of a double slider crank mechanism traces a
  16. The velocity of the belt for maximum power is (where m = Mass of the belt in kg per metre length)
  17. Flexible coupling is used because
  18. Angle of dwell of cam is defined as the angle
  19. When the nature of contact between the elements of a pair is such that it can only slide relative to…
  20. When the crank is at the inner dead centre, in a reciprocating steam engine, then the acceleration of…
  21. Two systems shall be dynamically equivalent when
  22. A motor car moving at a certain speed takes a left turn in a curved path. If the engine rotates in the…
  23. When the load on the engine increases, it becomes necessary to increase the supply of working fluid…
  24. Ball and a Socket forms a
  25. The load cup of a screw jack is made separate from the head of the spindle to
  26. The natural frequency of free torsional vibrations of a shaft is equal to (where q = Torsional stiffness…
  27. The unbalanced primary forces in a reciprocating engine are
  28. ________ is an inversion of Double slider crank chain.
  29. If the damping factor for a vibrating system is unity, then the system will be
  30. Which of the following would constitute a link?