Theory of Machine Creep in belt drive is due to Material of the pulley Uneven extensions and contractions due to varying tension Larger size of the driver pulley Material of the belt Material of the pulley Uneven extensions and contractions due to varying tension Larger size of the driver pulley Material of the belt 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 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 acceleration of a flat-faced follower when it has contact with the flank of a circular arc cam, is given by ω² (R - r₁) cosθ ω² r₁ sinθ ω² (R - r₁) sinθ ω² R cosθ ω² (R - r₁) cosθ ω² r₁ sinθ ω² (R - r₁) sinθ ω² R cosθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Torsional vibrations are said to occur when the particles of a body moves Perpendicular to its axis None of these Parallel to its axis In a circle about its axis Perpendicular to its axis None of these Parallel to its axis In a circle about its axis ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When there is a reduction in amplitude over every cycle of vibration, then the body is said to have Free vibration Under damped vibration Forced vibration Damped vibration Free vibration Under damped vibration Forced vibration Damped vibration ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS