Theory of Machine Hammer blow Is the maximum horizontal unbalanced force caused by the mass provided to balance the reciprocating masses. Varies inversely with the square of the speed Varies as the square root of the speed Is the maximum vertical unbalanced force caused by the mass added to balance the reciprocating masses Is the maximum horizontal unbalanced force caused by the mass provided to balance the reciprocating masses. Varies inversely with the square of the speed Varies as the square root of the speed Is the maximum vertical unbalanced force caused by the mass added to balance the reciprocating masses ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The radial component of the acceleration of B with respect to A, is (where vBA = Linear velocity of B with respect to A) vBA × AB vBA /AB v²BA v²BA /AB vBA × AB vBA /AB v²BA v²BA /AB ANSWER DOWNLOAD EXAMIANS APP
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) (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) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a reciprocating steam engine, which of the following forms a kinematic link? Crankshaft and flywheel Cylinder and piston Piston rod and connecting rod Flywheel and engine frame Crankshaft and flywheel Cylinder and piston Piston rod and connecting rod Flywheel and engine frame ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of the number of teeth to the pitch circle diameter in millimeters, is called None of these Circular pitch Module Diametral pitch None of these Circular pitch Module Diametral pitch ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of piston in a reciprocating steam engine is given by (where ω = Angular velocity of crank, r = Radius of crank pin circle, θ = Angle turned by crank from inner dead center, and n = Ratio of length of connecting rod to the radius of crank) ωr [sin θ + (sin 2θ/n)] ω²r [sin θ + (sin 2θ/n)] ωr [cos θ + (cos 2θ/n)] ω²r [cos θ + (cos 2θ/n)] ωr [sin θ + (sin 2θ/n)] ω²r [sin θ + (sin 2θ/n)] ωr [cos θ + (cos 2θ/n)] ω²r [cos θ + (cos 2θ/n)] ANSWER DOWNLOAD EXAMIANS APP