Theory of Machine ________ is an inversion of Double slider crank chain. Reciprocating engine Scotch yoke mechanism Coupling rod of a locomotive Hand pump Reciprocating engine Scotch yoke mechanism Coupling rod of a locomotive Hand pump ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a shaking force is transmitted through the springs, damping becomes detrimental when the ratio of its frequency to the natural frequency is greater than 1 0.25 0.5 2 1 0.25 0.5 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of the rubbing surface __________ with the distance from the axis of the bearing. Decreases Increases Remain same None of these Decreases Increases Remain same None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A simple spring-mass vibrating system has a natural frequency of fn. If the spring stiffness is halved and the mass is doubled, then the natural frequency will become 4 fn fn/2 8 fn 2 fn 4 fn fn/2 8 fn 2 fn ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A body is said to be under forced vibrations, when No external force acts on a body, after giving it an initial displacement None of these There is a reduction in amplitude after every cycle of vibration A body vibrates under the influence of external force No external force acts on a body, after giving it an initial displacement None of these There is a reduction in amplitude after every cycle of vibration A body vibrates under the influence of external force ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A watt's governor can work satisfactorily at speeds from 80 to 100 r.p.m. 200 to 300 r.p.m. 60 to 80 r.p.m. 100 to 200 r.p.m. 80 to 100 r.p.m. 200 to 300 r.p.m. 60 to 80 r.p.m. 100 to 200 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
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