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 In a screw jack, the effort required to lift the load W is given by (where α = Helix angle, and φ = Angle of friction) P = W tan(α + φ) P = W tan(φ - α) P = W cos(α + φ) P = W tan(α - φ) P = W tan(α + φ) P = W tan(φ - α) P = W cos(α + φ) P = W tan(α - φ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The critical speed of a shaft depends upon its Stiffness Mass Mass and stiffness Stiffness and eccentricity Stiffness Mass Mass and stiffness Stiffness and eccentricity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The height of a Watt's governor is Directly proportional to (speed)² Directly proportional to speed Inversely proportional to speed Inversely proportional to (speed)² Directly proportional to (speed)² Directly proportional to speed Inversely proportional to speed Inversely proportional to (speed)² ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Length of arc of contact is given by Arc of approach - Arc of recess Arc of approach / Arc of recess Arc of approach + Arc of recess Arc of approach × Arc of recess Arc of approach - Arc of recess Arc of approach / Arc of recess Arc of approach + Arc of recess Arc of approach × Arc of recess ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When brakes are applied to all the four wheels of a moving car, the distance traveled by the car before it is brought to rest, will be Zero Minimum None of these Maximum Zero Minimum None of these Maximum ANSWER DOWNLOAD EXAMIANS APP
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