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) (1/2) μ W R (3/4) μ W R μ W R (2/3) μ W R (1/2) μ W R (3/4) μ W R μ W R (2/3) μ W R ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Scott-Russell mechanism consists of Sliding and turning pairs Sliding pairs only Turning and rotary pairs Sliding and rotary pairs Sliding and turning pairs Sliding pairs only Turning and rotary pairs Sliding and rotary pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The critical speed of a shaft depends upon its Mass Mass and stiffness Stiffness Stiffness and eccentricity Mass Mass and stiffness Stiffness Stiffness and eccentricity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The distance by which the __________ of the D-slide valve overlaps the steam port is called exhaust lap. Corners None of these Outer edge Inner edge Corners None of these Outer edge Inner edge ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In involute gears, the pressure angle is Dependent on the size of gears Always constant Dependent on the size of teeth Always variable Dependent on the size of gears Always constant Dependent on the size of teeth Always variable ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction) α = 45° - φ/2 α = 90° - φ α = 45° + φ/2 α = 90° + φ α = 45° - φ/2 α = 90° - φ α = 45° + φ/2 α = 90° + φ ANSWER DOWNLOAD EXAMIANS APP
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