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 (2/3) μ W R (1/2) μ W R μ W R (3/4) μ W R (2/3) μ W R (1/2) μ W R ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In full depth involute system, the smallest number of teeth in a pinion which meshes with rack without interference is 12 16 25 32 12 16 25 32 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A torsional system with discs of moment of inertia I₁ and I₂ as shown in the below figure, is gear driven such that the ratio of speed of shaft B to shaft A is 'G'. Neglecting the inertia of gears, the equivalent inertia of disc on shaft B at the speed of shaft A is equal to G.I₂ I₂/G G².I₂ I₂/G² G.I₂ I₂/G G².I₂ I₂/G² ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In Meyer's expansion valve, the main valve is driven by an eccentric having an angle of advance from 15°-25° 10°-15° 25°-30° 30°-40° 15°-25° 10°-15° 25°-30° 30°-40° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In vibration isolation system, if ω/ωn > 1, then the phase difference between the transmitted force and the disturbing force is 180° 90° 270° 0° 180° 90° 270° 0° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a single slider crank chain Two are turning pairs and two are sliding pairs Each of the four pairs is a turning pair Three are turning pairs and one is a sliding pair One is a turning pair and three are sliding pairs Two are turning pairs and two are sliding pairs Each of the four pairs is a turning pair Three are turning pairs and one is a sliding pair One is a turning pair and three are sliding pairs ANSWER DOWNLOAD EXAMIANS APP