Theory of Machine In a Hartnell governor, the lift of the sleeve is given by (where r₁ and r₂ = Max. and min. radii of rotation, x = Length of ball arm of the lever, and y = Length of sleeve arm of the lever) (r₁ + r₂) (y/x) (r₁ + r₂) (x/y) (r₁ - r₂) (x/y) (r₁ - r₂) (y/x) (r₁ + r₂) (y/x) (r₁ + r₂) (x/y) (r₁ - r₂) (x/y) (r₁ - r₂) (y/x) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft, and tan φ = Coefficient of friction between the shaft and bearing) r sinφ r cosφ r tanφ (r/2) cosφ r sinφ r cosφ r tanφ (r/2) cosφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the primary direct crank of a reciprocating engine makes an angle of 'θ' with the line of stroke, then the secondary direct crank will make an angle of _________ with the line of stroke. θ/2 4θ θ 2θ θ/2 4θ θ 2θ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Typewriter constitutes Mechanism Inversion Machine Structure Mechanism Inversion Machine Structure ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a conical pivot bearing, considering uniform wear, is (2/3) μ W R cosecα μ W R cosecα (1/2) μ W R cosecα (3/4) μ W R cosecα (2/3) μ W R cosecα μ W R cosecα (1/2) μ W R cosecα (3/4) μ W R cosecα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a body moves with simple harmonic motion, the product of its periodic time and frequency is equal to Zero π One π/2 Zero π One π/2 ANSWER DOWNLOAD EXAMIANS APP