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The C.G. of a link in any mechanism would experience

A. No acceleration

B. Linear acceleration

C. Angular acceleration

D. Both angular and linear accelerations

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  1. The maximum efficiency of spiral gears is (where θ = Shaft angle, and φ = Friction angle)
  2. A Hartnell governor has its controlling force (Fc) given by Fc = ar + b, where r is the radius of rotation…
  3. Inertia force acts
  4. In under damped vibrating system, if x₁ and x₂ are the successive values of the amplitude…
  5. The type of coupling used to join two shafts whose axes are neither in same straight line nor parallel,…
  6. A machine mounted on a single coil spring has a period of free vibration of tp . If the spring is cut…
  7. The velocity of a body moving with simple harmonic motion is __________ at the mean position.
  8. Consider the following mechanisms:1. Oscillating cylinder engine mechanism2. Toggle mechanism3. Radial…
  9. Two pulleys of radii r₁ and r₂ and at distance x apart are connected by means of an open…
  10. A mechanism __________ for transmitting or transforming motion.
  11. In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line…
  12. The acceleration of a flat-faced follower when it has contact with the flank of a circular arc cam,…
  13. Which of the following statement is correct?
  14. The acceleration of a particle at any instant has two components i.e. radial component and tangential…
  15. In considering friction of a V-thread, the virtual coefficient of friction (μ₁) is given…
  16. The rotor of a ship rotates in clockwise direction when viewed from stern and the ship takes a left…
  17. Which of the following is an example of a higher pair?
  18. The motion between a pair when limited to a definite direction, irrespective of the direction of force…
  19. The acceleration of the particle moving with simple harmonic motion is _________ at the mean position.
  20. Shaft revolving in a bearing is the following type of pair
  21. Whitworth quick return mechanism is obtained by inversion of
  22. Which of the following disciplines provides study of the relative motion between the parts of a machine…
  23. A spring controlled governor is said to be stable if the controlling force line when produced intersects…
  24. Length of arc of contact is given by
  25. In railway axle boxes, the bearing used is
  26. When one of the links of a kinematic chain is fixed, the chain is known as a
  27. The displacement of a flat faced follower when it has contact with the flank of a circular arc cam,…
  28. A torsional system with discs of moment of inertia I₁ and I₂ as shown in the below figure,…
  29. In a ball bearing, ball and bearing forms a
  30. Lower pairs are those which have