Theory of Machine The velocity of sliding of meshing gear teeth is (Where ω₁ and ω₂ are angular velocities of meshing gears and ‘y’ is distance between point of contact and the pitch point) (ω₁ + ω₂) y (ω₁/ω₂) y (ω₁ + ω₂)/y (ω₁ × ω₂) y (ω₁ + ω₂) y (ω₁/ω₂) y (ω₁ + ω₂)/y (ω₁ × ω₂) y ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane takes a turn to the left. The effect of gyroscopic couple on the aeroplane will be To raise the nose and dip the tail To dip the nose and tail To dip the nose and raise the tail To raise the nose and tail To raise the nose and dip the tail To dip the nose and tail To dip the nose and raise the tail To raise the nose and tail 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 in longitudinal direction Shaft tends to vibrate vigorously in transverse direction Torsional vibrations occur Combination of transverse and longitudinal vibration occurs Shaft tends to vibrate in longitudinal direction Shaft tends to vibrate vigorously in transverse direction Torsional vibrations occur ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a conical pivot bearing with assumption of uniform pressure is __________ as compared to uniform wear. More None of these Same Less More None of these Same Less ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The brake commonly used in railway trains is Band brake Band and block brake Internal expanding brake Shoe brake Band brake Band and block brake Internal expanding brake Shoe brake ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of spherical pair is Ball bearing and roller bearing Bolt and nut Ball and socket joint Lead screw of a lathe Ball bearing and roller bearing Bolt and nut Ball and socket joint Lead screw of a lathe ANSWER DOWNLOAD EXAMIANS APP