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The minimum number of teeth on the pinion which will mesh with any gear without interference for 20° full depth involute teeth will be

A. 12

B. 14

C. 18

D. 24

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

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  1. Which of the following statement is wrong?
  2. The two elements of a pair are said to form a _________ when they permit relative motion between them.
  3. In a mechanism, usually one link is fixed. If the fixed link is changed in a kinematic chain, then relative…
  4. The coriolis component of acceleration is taken into account for
  5. In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line…
  6. For simple harmonic motion of the of follower, a cosine curve represents
  7. A mechanism is an assemblage of
  8. A disc is a spinning with an angular velocity ω rad/s about the axis of spin. The couple applied…
  9. Higher pairs are those which have
  10. The secondary unbalanced force is __________ the primary unbalanced force.
  11. When a body moves with simple harmonic motion, the product of its periodic time and frequency is equal…
  12. In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set…
  13. The component of the acceleration, parallel to the velocity of the particle, at the given instant is…
  14. In a rigid link OA, velocity of A w.r.t. O will be
  15. Which of the following statement is correct?
  16. One end of a helical spring is fixed while the other end carries the load W which moves with simple…
  17. The steering of a ship means
  18. The arrangement is called bevel gearing, when two __________ are connected by gears.
  19. The displacement of the D-slide valve is __________ the steam lap by a distance known as lead of the…
  20. In steady state forced vibrations, the amplitude of vibrations at resonance is __________ damping coefficient.
  21. In a screw jack, the effort required to lower the load W is given by
  22. ________ is an inversion of Double slider crank chain.
  23. For fluctuating loads, well suited bearing is
  24. The Ackerman steering gear mechanism is preferred to the Davis steering gear mechanism, because
  25. The purpose of a link is to
  26. The maximum velocity of a particle moving with simple harmonic motion is
  27. The height of a Watt's governor (in metres) is equal to (where N = Speed of the arm and ball about the…
  28. The stress induced in a body will be shear stress, when it is subjected to
  29. A rotor which is balanced statically but not dynamically is supported on two bearings L apart and at…
  30. For low and moderate speed engines, the cam follower should move with