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  1. The primary unbalanced force is maximum _________ in one revolution of the crank.
  2. When the nature of contact between the elements of a pair is such that one element can turn about the…
  3. The velocity of piston in a reciprocating steam engine is given by (where ω = Angular velocity…
  4. The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane…
  5. The frictional torque transmitted in a truncated conical pivot bearing, considering uniform pressure,…
  6. In higher pair, the relative motion is
  7. Which of the following statement is correct for involute gears?
  8. The approximate straight line mechanism is a
  9. Relationship between the number of links (L) and number of pairs (P) is
  10. 3.The retardation of a flat faced follower when it has contact at the apex of the nose of a circular…
  11. The motion between a pair when limited to a definite direction, irrespective of the direction of force…
  12. The centre of percussion is below the centre of gravity of the body and is at a distance equal to
  13. The sensitiveness of the governor __________ as the speed range decreases.
  14. The inversion of a mechanism is
  15. When the elements of a pair are kept in contact by the action of external forces, the pair is said to…
  16. In a screw jack, the effort required to lift the load W is given by (where α = Helix angle, and…
  17. Pitch point of a cam is
  18. Which of the following statement is correct as regard to the difference between a machine and a structure?
  19. The velocity of sliding __________ the distance of the point of contact from the pitch point.
  20. The danger of breakage and vibration is maximum
  21. Maximum fluctuation of energy in a flywheel is equal to [where I = Mass moment of inertia of the flywheel,…
  22. Instantaneous center of rotation of a link in a four bar mechanism lies on
  23. In order to give a complete secondary balance of a multi-cylinder inline engine,
  24. In full depth involute system, the smallest number of teeth in a pinion which meshes with rack without…
  25. In a simple train of wheels, the velocity ratio __________ the intermediate wheels.
  26. If D₁ and D₂ be the diameters of driver and driven pulleys, then belt speed is proportional…
  27. The radial distance from the top of a tooth to the bottom of a tooth in a meshing gear, is called
  28. For two governors A and B, the lift of sleeve of governor A is more than that of governor B, for a given…
  29. The pair is known as a higher pair, when the relative motion between the elements of a pair is
  30. The transmissibility, for all values of damping factor, will be less than unity, if ω/ωn is