Home

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

A. 18

B. 20

C. 30

D. 34

Related Questions

  1. A universal joint is an example of
  2. A spring controlled governor is found unstable. It can be made stable by
  3. The transmissibility, for all values of damping factor, will be less than unity, if ω/ωn is
  4. With usual notations for different parameters involved, the maximum fluctuations of energy for a flywheel…
  5. Elements of pairs held together mechanically is known as
  6. A rigid body, under the action of external forces, can be replaced by two masses placed at a fixed distance…
  7. ________ is an inversion of Double slider crank chain.
  8. A thin circular disc is rolling with a uniform linear speed, along a straight path on a plane surface.…
  9. The primary unbalanced force due to inertia of reciprocating parts in a reciprocating engine is given…
  10. When the radius of rotation of balls __________ as the equilibrium speed increases, the governor is…
  11. The pressure angle of a cam depends upon
  12. In a radial cam, the follower moves
  13. The critical speed of a shaft in revolution per second is __________ as that of natural frequency of…
  14. When a body is subjected to transverse vibrations, the stress induced in a body will be
  15. A rotor supported at A and B carries two masses as shown in the below figure. The rotor is
  16. A mechanism is an assemblage of
  17. The face of the tooth is the
  18. Scotch yoke mechanism is used to generate
  19. Crowning on pulleys helps
  20. Coriolis component acts
  21. Two heavy rotating masses are connected by shafts of lengths l₁, l₂ and l₃ and…
  22. Which of the following disciplines provides study of relative motion between the parts of a machine?
  23. Critical damping is a function of
  24. The tractive force in a locomotive with two cylinders is given by (where c = Fraction of reciprocating…
  25. In a Hartnell governor, the compression of the spring is __________ the lift of the sleeve.
  26. The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency…
  27. When there is a reduction in amplitude over every cycle of vibration, then the body is said to have
  28. In multi V-belt transmission, if one of the belt is broken, we have to change the
  29. The maximum frictional force, which comes into play, when a body just begins to slide over the surface…
  30. In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation…

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