The gears are termed as medium velocity gears, if their peripheral velocity is

A. 1-3 m/s

B. 3-15 m/s

C. 15-30 m/s

D. 30-50 m/s

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  1. The ratio of height of Porter governor (when length of arms and links are equal) to the height of Watt's…
  2. The velocity of a body moving with simple harmonic motion is __________ at the mean position.
  3. In a gear having involute teeth, the normal to the involute is a tangent to the
  4. If D₁ and D₂ be the diameters of driver and driven pulleys, then belt speed is proportional…
  5. Rectangular bar in a rectangular hole is the following type of pair
  6. If the controlling force line for a spring controlled governor when produced intersects the Y-axis at…
  7. In a flat collar pivot bearing, the moment due to friction is proportional to
  8. The balancing weights are introduced in planes parallel to the plane of rotation of the disturbing mass.…
  9. In an ideal machine, the output as compared to input is
  10. The velocity of the belt for maximum power is (where m = Mass of the belt in kg per metre length)
  11. When the two elements of a pair have __________ when in motion, it is said to a lower pair.
  12. The product of the diametral pitch and circular pitch is equal to
  13. A rigid body, under the action of external forces, can be replaced by two masses placed at a fixed distance…
  14. Angle of action of cam is defined as the angle
  15. Relationship between the number of links (L) and number of pairs (P) is
  16. A rigid body possesses ________degrees of freedom
  17. The size of a gear is usually specified by
  18. In a pantograph, all the pairs are
  19. Which of the following mechanism is an approximate straight line motion mechanism?
  20. The example of spherical pair is
  21. Governor is used in automobile to
  22. According to Kennedy's theorem, if three bodies have plane motions, their instantaneous centers lie…
  23. When one of the links of a kinematic chain is fixed, the chain is known as a
  24. The magnitude of velocities of the points on a rigid link is
  25. Which of the following is a pendulum type governor?
  26. The tractive force is maximum or minimum when the angle of inclination of crank with the line of stroke…
  27. A fixed gear having 200 teeth is in mesh with another gear having 50 teeth. The two gears are connected…
  28. The contact ratio is the ratio of
  29. In full depth involute system, the smallest number of teeth in a pinion which meshes with rack without…
  30. The indicator using Watt mechanism is known as