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)

A. μ₁ = μsinβ B. μ₁ = μcosβ C. $${\mu _1} = \frac{\mu }{{\sin \beta }}$$ D. $${\mu _1} = \frac{\mu }{{\cos \beta }}$$

A. Self-closed B. Force-closed C. Friction closed D. None of these

A. Sliding B. Turning C. Rolling D. Screw

A. None of the links is fixed B. One of the links is fixed C. Two of the links are fixed D. None of these