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Minimum number of teeth for involute rack and pinion arrangement for pressure angle of 20° is

A. 18

B. 20

C. 30

D. 34

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  2. The radial distance from the top of a tooth to the bottom of a tooth in a meshing gear, is called
  3. Which of the following is a pendulum type governor?
  4. The angle of inclination of the plane, at which the body begins to move down the plane is called
  5. The main disadvantage of the sliding pair is that it is
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  14. The equation of motion for a single degree of freedom system with viscous damping is 4(dx²/dt²)…
  15. The height of a Watt's governor is
  16. The velocity of piston in a reciprocating steam engine is given by (where ω = Angular velocity…
  17. The mechanism forms a structure, when the number of degrees of freedom (n) is equal to
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  23. Which of the following statement is wrong?
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  25. The equation of motion for a vibrating system with viscous damping is (d²x/dt²) + (c/m).(dx/dt)…
  26. A flywheel is fitted to the crankshaft of an engine having W as the amount of indicated work per revolution…
  27. The minimum number of teeth on the pinion which will mesh with any gear without interference for 20°…
  28. The factor which affects the critical speed of a shaft is
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