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The method of direct and reverse cranks is used in engines for

A. The control of speed fluctuations

B. Balancing of forces and couples

C. Kinematic analysis

D. Vibration analysis

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  1. The maximum velocity of a particle moving with simple harmonic motion is
  2. The frictional torque transmitted in a flat collar bearing, considering uniform pressure, is (where…
  3. The partial balancing of reciprocating parts in locomotives produces
  4. The swaying couple is maximum or minimum when the angle of inclination of the crank to the line of stroke…
  5. In a steam engine, the distance by which the outer edge of the Dslide valve overlaps the steam port…
  6. For the same lift and same angle of ascent, a smaller base circle will give
  7. A watt's governor can work satisfactorily at speeds from
  8. Which one of the following can completely balance several masses revolving in different planes on a…
  9. Flexible coupling is used because
  10. The pressure angle of a cam is the angle between the direction of the follower motion and a normal to…
  11. Which of the following statement is correct?
  12. Which of the following statement is correct as regard to the difference between a machine and a structure?
  13. The amplitude of vibration is always __________ the radius of the circle.
  14. Which of the following is a turning pair?
  15. In S.H.M., the velocity vector w.r.t. displacement vector
  16. Which of the following disciplines provides study of inertia forces arising from the combined effect…
  17. When the two elements of a pair have a surface contact when relative motion takes place and the surface…
  18. The mechanism in which two are turning pairs and two are sliding pairs, is called a
  19. In a simple harmonic motion, the velocity vector with respect to displacement vector
  20. The centre of gravity of a coupler link in a four bar mechanism will experience
  21. The acceleration of the particle moving with simple harmonic motion is _________ at the mean position.
  22. In a steam engine, the link constitutes a
  23. The size of cam depends upon
  24. The danger of breakage and vibration is maximum
  25. In a turning moment diagram, the variations of energy above and below the mean resisting torque line…
  26. Efficiency of a screw jack is given by
  27. A system in dynamic balance implies that
  28. Angle of dwell of cam is defined as the angle
  29. The velocity of the reciprocating roller follower when it has contact with the straight flanks of the…
  30. The Grubler's criterion for determining the degrees of freedom (n) of a mechanism having plane motion…