11. One end of a helical spring is fixed while the other end carries the load W which moves with simple harmonic motion. The frequency of motion is given by (where $$\delta $$ = Deflection of the spring)
12. In vibration isolation system, if $$\frac{\omega }{{\omega {\text{n}}}} < 2,$$ then for all values of damping factor, the transmissibility will be (where $$\omega $$ = Angular speed of the system, $$\omega {\text{n}}$$ = Natural frequency of vibration of the system)
13. Which of the following would constitute a link?
14. The ratio of the maximum displacement of the forced vibration to the deflection due to the static force, is known as
15. In a mechanism, the fixed instantaneous centers are those centers which
16. The moment on the pulley which produces rotation is called
17. The tendency of a body to resist change from rest or motion is known as
18. The length of a simple pendulum which gives the same frequency as the compound pendulum, is
19. For the brake to be self locking, the force P at C shown in the below figure, should
20. When the pitching of a ship is __________ the effect of gyroscopic couple acting on it will be to move the ship towards port side.
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