Theory of Machine Flexible coupling is used because It is easy to disassemble It prevents shock transmission and eliminates stress reversals It is easy to engage and disengage It transmits shocks gradually It is easy to disassemble It prevents shock transmission and eliminates stress reversals It is easy to engage and disengage It transmits shocks gradually 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 fn/2 4 fn 8 fn 2 fn fn/2 4 fn 8 fn 2 fn ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In S.H.M., the velocity vector w.r.t. displacement vector Leads by 180° Leads by 90° Are in phase Lags by 90° Leads by 180° Leads by 90° Are in phase Lags by 90° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Critical damping is a function of Mass and damping coefficient Damping coefficient and natural frequency Mass and natural frequency Mass and stiffness Mass and damping coefficient Damping coefficient and natural frequency Mass and natural frequency Mass and stiffness ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In involute gears, the pressure angle is Always constant Always variable Dependent on the size of gears Dependent on the size of teeth Always constant Always variable Dependent on the size of gears Dependent on the size of teeth ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A slider moves at a velocity v on a link revolving at ω rad/s. The coriolis component of acceleration is ωv ω²v 2ωv 2ωv² ωv ω²v 2ωv 2ωv² ANSWER DOWNLOAD EXAMIANS APP
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