Home

In vibration isolation system, if ω/ωn < 2, then for all values of damping factor, the transmissibility will be (where ω = Angular speed of the system, ωn = Natural frequency of vibration of the system)

A. Less than unity

B. Equal to unity

C. Greater than unity

D. Zero

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

You can do it
  1. The type of coupling used to join two shafts whose axes are neither in same straight line nor parallel,…
  2. In a cone pulley, if the sum of radii of the pulleys on the driving and driven shafts is Constant, then
  3. A slider crank chain consists of following numbers of turning and sliding pairs
  4. Which of the following is a higher pair?
  5. In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line…
  6. The acceleration of a particle at any instant has two components i.e. radial component and tangential…
  7. The secondary unbalanced force is maximum when the angle of inclination of the crank with the line of…
  8. For two governors A and B, the lift of sleeve of governor A is more than that of governor B, for a given…
  9. The radial distance of a tooth from the pitch circle to the bottom of the tooth is called
  10. The Klein's method of construction for reciprocating engine mechanism
  11. Whitworth quick return mechanism is obtained by inversion of
  12. It is required to connect two parallel shafts, the distance between whose axes is small and variable.…
  13. The secondary unbalanced force due to inertia of reciprocating parts in a reciprocating engine is given…
  14. The velocity of a flat-faced follower when it has contact with the flank of a circular arc cam, is given…
  15. A shaft has two heavy rotors mounted on it. The transverse natural frequencies, considering each of…
  16. The method of obtaining different mechanisms by fixing in turn different links in a kinematic chain,…
  17. At the nodal point in a shaft, the amplitude for torsional vibration will be
  18. TJIE horse power transmitted by a belt is dependent upon
  19. Which type of gearing is used in steering system of an automobile?
  20. The relation l = (2/3).(j + 2) apply only to kinematic chains in which lower pairs are used. This may…
  21. Klein's construction is useful to determine
  22. The advantage of the piston valve over the slide valve is that in the former case
  23. Which of the following is false statement in respect of differences between machine and structure?
  24. Sensitiveness of the governor is defined as the ratio of the
  25. A Porter governor is a
  26. The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane…
  27. Which of the following statement is correct?
  28. Which of the following statement is correct for involute gears?
  29. For low and moderate speed engines, the cam follower should move with
  30. A motor car moving at a certain speed takes a left turn in a curved path. If the engine rotates in the…