Theory of Machine In a steam engine, the distance by which the outer edge of the D-slide valve overlaps the steam port is called Steam lap Exhaust lap None of these Lead Steam lap Exhaust lap None of these Lead ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a body moves with simple harmonic motion, the product of its periodic time and frequency is equal to π/2 Zero One π π/2 Zero One π ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a screw jack, the effort required to lower the load W is given by P = W tan(φ - α) P = W tan(α + φ) P = W cos(α + φ) P = W tan(α - φ) P = W tan(φ - α) P = W tan(α + φ) P = W cos(α + φ) P = W tan(α - φ) 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 2 fn 8 fn 4 fn fn/2 2 fn 8 fn ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When there is a reduction in amplitude over every cycle of vibration, then the body is said to have Damped vibration Free vibration Under damped vibration Forced vibration Damped vibration Free vibration Under damped vibration Forced vibration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum or minimum value of the swaying couple is ± c.m.ω².r ± (a/√2) (1 - c) m.ω².r ± a (1 - c) m.ω².r ± 2a (1 - c) m.ω².r ± c.m.ω².r ± (a/√2) (1 - c) m.ω².r ± a (1 - c) m.ω².r ± 2a (1 - c) m.ω².r ANSWER DOWNLOAD EXAMIANS APP