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) (3/4) μ W R μ W R (1/2) μ W R (2/3) μ W R (3/4) μ W R μ W R (1/2) μ W R (2/3) μ W R ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The rotor of a ship rotates in clockwise direction when viewed from stern and the ship takes a left turn. The effect of gyroscopic couple acting on it will be To lower the bow and stern To raise the bow and stern To raise the stern and lower the bow To raise the bow and lower the stern To lower the bow and stern To raise the bow and stern To raise the stern and lower the bow To raise the bow and lower the stern ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In gramophones for adjusting the speed of the turntable, the following type of governor is commonly employed Wilson Hartnell governor Hartung governor Pickering governor Inertia governor Wilson Hartnell governor Hartung governor Pickering governor Inertia governor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The effort of a Porter governor is equal to (where c = Percentage increase in speed, m = Mass of ball, and M = Mass on the sleeve) c (m + M) g c (m - M) g c/(m - M) g c/(m + M) g c (m + M) g c (m - M) g c/(m - M) g c/(m + M) g ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a slider moves on a fixed link having curved surface, their instantaneous centre lies At the centre of circle At the pin joint At the centre of curvature On their point of contact At the centre of circle At the pin joint At the centre of curvature On their point of contact ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of higher pair is All of these Gears, cams Ball and roller bearings Belt, rope and chain drives All of these Gears, cams Ball and roller bearings Belt, rope and chain drives ANSWER DOWNLOAD EXAMIANS APP