Theory of Machine The displacement of a flat faced follower when it has contact with the flank of a circular arc cam, is given by (where R = Radius of flank, r₁ = Minimum radius of the cam, and θ = Angle turned through by the cam) R (1 - cosθ) R (1 - sinθ) (R - r₁) (1 - sinθ) (R - r₁) (1 - cosθ) R (1 - cosθ) R (1 - sinθ) (R - r₁) (1 - sinθ) (R - r₁) (1 - cosθ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the crank is at the inner dead centre, in a reciprocating steam engine, then the velocity of the piston will be Zero Minimum Maximum None of these Zero Minimum Maximum None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing with assumption of uniform pressure is _________ as compared to uniform wear. More None of the listed here Same Less More None of the listed here Same Less ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a truncated conical pivot bearing, considering uniform pressure, is (1/2). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W cosecα (r₁ + r₂) (2/3). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W cosecα (r₁ + r₂) (1/2). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W cosecα (r₁ + r₂) (2/3). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W cosecα (r₁ + r₂) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In locomotives, the ratio of the connecting rod length to me crank radius is kept very large in order to Minimize the effect of secondary forces Have perfect balancing Minimize the effect of primary forces To start the locomotive quickly Minimize the effect of secondary forces Have perfect balancing Minimize the effect of primary forces To start the locomotive quickly ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In S.H.M., acceleration is proportional to Velocity Rate of change of velocity All of these Displacement Velocity Rate of change of velocity All of these Displacement ANSWER DOWNLOAD EXAMIANS APP
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