Home

The contact ratio is the ratio of

A. Length of pair of contact to the circular pitch

B. Length of arc of contact to the circular pitch

C. Length of arc of approach to the circular pitch

D. Length of arc of recess to the circular pitch

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

You can do it
  1. The sense of Coriolis component is such that it
  2. A rigid body possesses ________degrees of freedom
  3. The maximum frictional force, which comes into play, when a body just begins to slide over the surface…
  4. Which of the following mechanism is an approximate straight line motion mechanism?
  5. When the nature of contact between the elements of a pair is such that one element can turn about the…
  6. When the crank is at the outer dead centre, in a reciprocating steam engine, then the acceleration of…
  7. The gears are termed as medium velocity gears, if their peripheral velocity is
  8. The type of pair formed by two elements which are so connected that one is constrained to turn or revolve…
  9. Cross head and guides form a
  10. Which is the false statement about the properties of instantaneous centre?
  11. A circle passing through the pitch point with its center at the center of cam axis is known as
  12. The natural frequency of free transverse vibrations due to uniformly distributed load acting over a…
  13. The centre of percussion is below the centre of gravity of the body and is at a distance equal to
  14. Which type of gearing is used in steering system of an automobile?
  15. A reed type tachometer use the principle of
  16. Balancing of rotating and reciprocating parts of an engine is necessary when it runs at
  17. The Klein's diagram is used when
  18. The example of rolling pair is
  19. The velocity of sliding __________ the distance of the point of contact from the pitch point.
  20. In a four stroke I.C. engine, the turning moment during the compression stroke is
  21. Typewriter constitutes
  22. An imaginary circle which by pure rolling action, gives the same motion as the actual gear, is called
  23. Efficiency of a screw jack is given by
  24. In a circular arc cam with roller follower, the acceleration in any position of the lift will depend…
  25. The Kutzbach criterion for determining the number of degrees of freedom (n) is (where l = number of…
  26. The coriolis component of acceleration exists whenever a point moves along a path that has
  27. In a single slider crank chain
  28. The periodic time is given by (where ω = Angular velocity of the particle in rad/s)
  29. The velocity of the belt for maximum power is (where m = Mass of the belt in kg per metre length)
  30. Two heavy rotating masses are connected by shafts of lengths l₁, l₂ and l₃ and…