The size of a gear is usually specified by

A. Pressure angle

B. Circular pitch

C. Diametral pitch

D. Pitch circle diameter

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  1. Which of the following is used to control the speed variations of the engine caused by the fluctuations…
  2. A spring controlled governor is said to be unstable when the controlling force
  3. The centrifugal tension in belts
  4. The acceleration of a particle at any instant has two components i.e. radial component and tangential…
  5. Sensitiveness of the governor is defined as the ratio of the
  6. The balancing weights are introduced in planes parallel to the plane of rotation of the disturbing mass.…
  7. The maximum value of the pressure angle in case of cam is kept as
  8. If the damping factor for a vibrating system is unity, then the system will be
  9. The critical speed of a shaft depends upon its
  10. In a disc clutch, if there are n₁ number of discs on the driving shaft and n₂ number of…
  11. If some links are connected such that motion between them can take place in more than one direction,…
  12. Rectilinear motion of piston is converted into rotary by
  13. The load cup of a screw jack is made separate from the head of the spindle to
  14. When the two elements of a pair have __________ when in motion, it is said to a lower pair.
  15. The contact ratio is given by
  16. Which of the following governor is used to drive a gramophone?
  17. The locus of a point on a thread unwound from a cylinder will be
  18. In a system subjected to damped forced vibrations, the ratio of maximum displacement to the static deflection…
  19. The Scott-Russell mechanism consists of
  20. According to Kennedy's theorem, if three bodies move relatively to each other, their instantaneous centres…
  21. The factional torque for square thread at the mean radius r while raising load W is given by
  22. The secondary unbalanced force is __________ the primary unbalanced force.
  23. For a twin cylinder V-engine, the crank positions for primary reverse cranks and secondary direct cranks…
  24. Efficiency of a screw jack is given by
  25. A point on a connecting link (excluding end points) of a double slider crank mechanism traces a
  26. The static balancing is satisfactory for low speed rotors but with increasing speeds, dynamic balancing…
  27. The method of obtaining different mechanisms by fixing in turn different links in a kinematic chain,…
  28. Any point on a link connecting double slider crank chain will trace a
  29. At the nodal point in a shaft, the amplitude for torsional vibration will be
  30. Sense of tangential acceleration of a link