Theory of Machine 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) Equal to unity Zero Greater than unity Less than unity Equal to unity Zero Greater than unity Less than unity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A flywheel is fitted to the crankshaft of an engine having W as the amount of indicated work per revolution and permissible limits of coefficient of fluctuation of energy and speed as CE and CS respectively. The kinetic energy of the flywheel is given by W CE / 2CS 2 W CE / CS W CS / 2CE W CE / CS W CE / 2CS 2 W CE / CS W CS / 2CE W CE / CS ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A kinematic chain requires at least 5 links and 4 turning pairs 2 links and 3 turning pairs 3 links and 4 turning pairs 4 links and 4 turning pairs 5 links and 4 turning pairs 2 links and 3 turning pairs 3 links and 4 turning pairs 4 links and 4 turning pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The equation of motion for a vibrating system with viscous damping is (d²x/dt²) + (c/m).(dx/dt) + (s/m).x = 0, if the roots of the equation are __________ then the system will be under damped. None of these Complex conjugate Real Equal None of these Complex conjugate Real Equal ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The distance by which the __________ of the D-slide valve overlaps the steam port is called exhaust lap. Inner edge Corners Outer edge None of these Inner edge Corners Outer edge None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the sleeve of a Porter governor moves downwards, the governor speed Increases Remain unaffected First increases and then decreases Decreases Increases Remain unaffected First increases and then decreases Decreases ANSWER DOWNLOAD EXAMIANS APP
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