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Oldhams coupling is an inversion of the kinematic chain used in

A. Whitworth quick return mechanism

B. Elliptical trammels

C. Rotary engine

D. Universal joint

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  1. When the body is suspended at the point of suspension, its periodic time and frequency will be ________…
  2. A spring controlled governor is said to be unstable when the controlling force
  3. An imaginary circle which by pure rolling action, gives the same motion as the actual gear, is called
  4. Torsional vibrations are said to occur when the particles of a body moves
  5. The tractive force in a locomotive with two cylinders is given by (where c = Fraction of reciprocating…
  6. Which of the following statement is correct for involute gears?
  7. Whirling speed of the shaft is the speed at which
  8. Angular acceleration of a link can be determined by dividing the
  9. The length of a simple pendulum which gives the same frequency as the compound pendulum, is
  10. The partial balancing means
  11. When a mass of a critically damped single degree of freedom system is deflected from its equilibrium…
  12. For simple harmonic motion of the of follower, a cosine curve represents
  13. The relative velocity of B with respect to A in a rigid link AB is
  14. In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation…
  15. An eccentric sheave pivoted at one point rotates and transmits oscillatory motion to a link whose one…
  16. In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line…
  17. In involute gears, the pressure angle is
  18. In a four stroke I.C. engine, the turning moment during the compression stroke is
  19. The axis of precession is __________ to the plane in which the axis of spin is going to rotate.
  20. Which of the following is false statement in respect of differences between machine and structure?
  21. To connect two parallel and coplanar shafts the following type of gearing is used
  22. When a rigid body is suspended vertically and it oscillates with a small amplitude under the action…
  23. A pulley and belt in a belt drive form a
  24. Whitworth quick return mechanism is obtained by inversion of
  25. Oldhams coupling is an inversion of the kinematic chain used in
  26. Which of the following statement is correct?
  27. In under damped vibrating system, the amplitude of vibration
  28. The component of the acceleration, parallel to the velocity of the particle, at the given instant is…
  29. Instantaneous center of rotation of a link in a four bar mechanism lies on
  30. In under damped vibrating system, if x₁ and x₂ are the successive values of the amplitude…