Theory of Machine In S.H.M., the velocity vector w.r.t. displacement vector Lags by 90° Leads by 90° Are in phase Leads by 180° Lags by 90° Leads by 90° Are in phase Leads by 180° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is 6 Hz 3 Hz 6π Hz 3π Hz 6 Hz 3 Hz 6π Hz 3π Hz ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a truncated conical pivot bearing, considering uniform wear, is (1/2). μ W cosec α (r₁ + r₂) (2/3).μ W cosec α (r₁ + r₂) (1/2). μ W cosec α [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W cosec α [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W cosec α (r₁ + r₂) (2/3).μ W cosec α (r₁ + r₂) (1/2). μ W cosec α [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W cosec α [(r₁³ - r₂³)/(r₁² - r₂²)] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing, considering uniform wear, is (where μ = Coefficient of friction, W = Load over the bearing, and R = Radius of bearing surface) μ W R (3/4) μ W R (1/2) μ W R (2/3) μ W R μ W R (3/4) μ W R (1/2) μ W R (2/3) μ W R ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A Porter governor is a Pendulum type governor Dead weight governor Spring loaded governor Inertia governor Pendulum type governor Dead weight governor Spring loaded governor Inertia governor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Whirling speed of the shaft is the speed at which Combination of transverse and longitudinal vibration occurs Shaft tends to vibrate vigorously in transverse direction Torsional vibrations occur Shaft tends to vibrate in longitudinal direction Combination of transverse and longitudinal vibration occurs Shaft tends to vibrate vigorously in transverse direction Torsional vibrations occur Shaft tends to vibrate in longitudinal direction ANSWER DOWNLOAD EXAMIANS APP
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