Theory of Machine The approximate straight line mechanism is a 3 bar linkage 6 bar linkage Four bar linkage 8 bar linkage 3 bar linkage 6 bar linkage Four bar linkage 8 bar linkage 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 [(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)] (1/2). μ W cosec α (r₁ + r₂) (2/3).μ W cosec α (r₁ + r₂) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a steam engine, one method of obtaining the earlier cut-off with a simple slide valve is by increasing the angle of advance of the eccentric while the throw of the eccentric, steam lap and exhaust lap are kept constant. This method will Reduce length of effective stroke of piston Cause withdrawing or throttling of steam Reduce maximum opening of port to steam All of these Reduce length of effective stroke of piston Cause withdrawing or throttling of steam Reduce maximum opening of port to steam All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The power transmitted by a belt is maximum when the maximum tension in the belt is _________ of centrifugal tension. Three times Two-third One-third Double Three times Two-third One-third Double ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a pantograph, all the pairs are Self-closed pairs Sliding pairs Turning pairs Spherical pairs Self-closed pairs Sliding pairs Turning pairs Spherical pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Whirling speed of the shaft is the speed at which Shaft tends to vibrate vigorously in transverse direction Shaft tends to vibrate in longitudinal direction Torsional vibrations occur Combination of transverse and longitudinal vibration occurs Shaft tends to vibrate vigorously in transverse direction Shaft tends to vibrate in longitudinal direction Torsional vibrations occur Combination of transverse and longitudinal vibration occurs ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS