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Elements of pairs held together mechanically is known as

A. Closed pair

B. Open pair

C. Mechanical pair

D. Rolling pair

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  1. The motion between a pair which takes place in __________ is known as incompletely constrained motion.
  2. When a body moves with simple harmonic motion, the product of its periodic time and frequency is equal…
  3. An involute pinion and gear are in mesh. If both have the same size of addendum, then there will be…
  4. The contact ratio for gears is
  5. A system in dynamic balance implies that
  6. Flexible coupling is used because
  7. A rigid body, under the action of external forces, can be replaced by two masses placed at a fixed distance…
  8. One end of a helical spring is fixed while the other end carries the load W which moves with simple…
  9. A Hartnell governor is a
  10. The size of a gear is usually specified by
  11. In a Hartnell governor, the stiffness of the spring is given by (where S1 and S2 = Spring forces exerted…
  12. The frequency of oscillation at compared to earth will be
  13. The acceleration of a particle moving with simple harmonic motion, at any instant is given by
  14. In a simple train of wheels, the velocity ratio __________ the intermediate wheels.
  15. A disturbing mass m₁ attached to the rotating shaft may be balanced by a single mass m₂…
  16. The angle of inclination of the plane, at which the body begins to move down the plane is called
  17. Which of the following is a turning pair?
  18. With single Hooke's joint it is possible to connect two shafts, the axes of which have an angular misalignment…
  19. TJIE horse power transmitted by a belt is dependent upon
  20. The included angle for the V-belt is usually
  21. The train value of a gear train is
  22. The coriolis component of acceleration is taken into account for
  23. The motion of a shaft in a circular hole is an example of
  24. The acceleration of the particle moving with simple harmonic motion is _________ at the mean position.
  25. There are six gears A, B, C, D, E and F in a compound train. The numbers of teeth in the gears are 20,…
  26. The tractive force in a locomotive with two cylinders is given by (where c = Fraction of reciprocating…
  27. In a cone pulley, if the sum of radii of the pulleys on the driving and driven shafts is Constant, then
  28. Ackermann steering gear consists of
  29. In under damped vibrating system, if x₁ and x₂ are the successive values of the amplitude…
  30. The instantaneous centre of a rigid thin disc rolling on a plane rigid surface is located at