The unbalanced force due to reciprocating masses

A. Varies in magnitude but constant in direction

B. Varies in direction but constant in magnitude

C. Varies in magnitude and direction both

D. Constant in magnitude and direction both

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  1. Longitudinal vibrations are said to occur when the particles of a body moves
  2. According to Kennedy's theorem, if three bodies move relatively to each other, their instantaneous centres…
  3. A kinematic chain requires at least
  4. In a reciprocating steam engine, which of the following forms a kinematic link?
  5. The coriolis component of acceleration depends upon
  6. The periodic time of a compound pendulum is __________ when the distance between the point of suspension…
  7. The static balancing is satisfactory for low speed rotors but with increasing speeds, dynamic balancing…
  8. In order to give the primary balance of the reciprocating parts of a multi-cylinder inline engines,
  9. The example of rolling pair is
  10. When the two elements of a pair have __________ when in motion, it is said to a lower pair.
  11. Sense of tangential acceleration of a link
  12. Module of a gear is
  13. Transmission of power from the engine to the rear axle of an automobile is by means of
  14. When the particles of a body moves perpendicular to its axis, then the body is said to have
  15. The inversion of a mechanism is
  16. Which of the following is an open pair?
  17. The Hooke's joint consists of:
  18. When one of the links of a kinematic chain is fixed, the chain is known as a
  19. In vibration isolation system, if ω/ωn > 1, then the phase difference between the transmitted…
  20. With single Hooke's joint it is possible to connect two shafts, the axes of which have an angular misalignment…
  21. When two links are connected by a pin joint, their instantaneous centre lies
  22. The absolute acceleration of any point P in a link about center of rotation O is
  23. If ω/ωn is very high for a body vibrating under steady state vibrations, the phase angle for…
  24. A watt's governor can work satisfactorily at speeds from
  25. Transmission angle is the angle between
  26. The motion between a pair which takes place in __________ is known as incompletely constrained motion.
  27. In order to balance the reciprocating masses,
  28. In a rigid link OA, velocity of A w.r.t. O will be
  29. The Ackermann steering mechanism is preferred to the Davis type in automobiles because
  30. In a multiple V-belt drive, if one of the belts is broken, then we should replace