Longitudinal vibrations are said to occur when the particles of a body moves

A. Perpendicular to its axis

B. Parallel to its axis

C. In a circle about its axis

D. None of these

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. The coriolis component of acceleration is taken into account for
  2. The danger of breakage and vibration is maximum
  3. The motion between a pair which takes place in __________ is known as incompletely constrained motion.
  4. A rotary internal combustion engine has __________ cylinders.
  5. Bifilar suspension method is used to find the
  6. The acceleration of the particle moving with simple harmonic motion is _________ at the mean position.
  7. ABCD is a four bar mechanism in which AB = 310 mm and CD = 450 mm. AB and CD are both perpendicular…
  8. In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line…
  9. A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The total acceleration…
  10. Which of the following mechanism is an approximate straight line motion mechanism?
  11. Shaft revolving in a bearing is the following type of pair
  12. For fluctuating loads, well suited bearing is
  13. The instantaneous centre of a rigid thin disc rolling on a plane rigid surface is located at
  14. 3.The retardation of a flat faced follower when it has contact at the apex of the nose of a circular…
  15. Longitudinal vibrations are said to occur when the particles of a body moves
  16. The contact ratio is the ratio of
  17. The contact ratio for gears is
  18. Which of the following statement is wrong?
  19. A system of masses rotating in different parallel planes is in dynamic balance if the
  20. One end of a helical spring is fixed while the other end carries the load W which moves with simple…
  21. Critical damping is a function of
  22. The periodic time of one oscillation for a simple pendulum is
  23. The centre of gravity of a coupler link in a four bar mechanism will experience
  24. Klein's construction can be used to determine acceleration of various parts when the crank is at
  25. When the radius of rotation of balls __________ as the equilibrium speed increases, the governor is…
  26. The train value of a gear train is
  27. The velocity of the reciprocating roller follower when it has contact with the straight flanks of the…
  28. In order to balance the reciprocating masses,
  29. When a point at the end of a link moves with constant angular velocity, its acceleration will have
  30. In a pantograph, all the pairs are