Theory of Machine The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is (Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing) ²/₃ μWR μwr ½μWR ¾μWR ²/₃ μWR μwr ½μWR ¾μWR ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Idler pulley is used For changing the direction of motion of the belt For increasing velocity ratio All of the listed here For applying tension For changing the direction of motion of the belt For increasing velocity ratio All of the listed here For applying tension ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Whirling speed of the shaft is the speed at which Torsional vibrations occur Shaft tends to vibrate vigorously in transverse direction Shaft tends to vibrate in longitudinal direction Combination of transverse and longitudinal vibration occurs Torsional vibrations occur Shaft tends to vibrate vigorously in transverse direction Shaft tends to vibrate in longitudinal direction Combination of transverse and longitudinal vibration occurs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The length of a simple pendulum which gives the same frequency as the compound pendulum, is kG + l₁ kG² + l₁ (kG + l₁²)/ l₁ (kG² + l₁²)/ l₁ kG + l₁ kG² + l₁ (kG + l₁²)/ l₁ (kG² + l₁²)/ l₁ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The mechanism consisting of three turning pairs and one sliding pair, is called a All of these Single slider crank chain Crank and slotted lever quick return motion mechanism Whitworth quick return motion mechanism All of these Single slider crank chain Crank and slotted lever quick return motion mechanism Whitworth quick return motion mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Klein's diagram is used when Crank has nonuniform angular velocity Crank has uniform angular acceleration Crank has nonuniform angular acceleration Crank has uniform angular velocity Crank has nonuniform angular velocity Crank has uniform angular acceleration Crank has nonuniform angular acceleration Crank has uniform angular velocity ANSWER DOWNLOAD EXAMIANS APP