Theory of Machine The coefficient of fluctuation of speed is __________ of maximum fluctuation of speed and the mean speed. Sum Ratio Difference Product Sum Ratio Difference Product ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force due to inertia of reciprocating parts in a reciprocating engine is given by (where m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, θ = Angle of inclination of crank with the line of stroke, and n = Ratio of the length of connecting rod to radius of crank) m.ω².r (sin 2θ/n) m.ω².r cosθ m.ω².r (cos 2θ/n) m.ω².r sinθ m.ω².r (sin 2θ/n) m.ω².r cosθ m.ω².r (cos 2θ/n) m.ω².r sinθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Coriolis component of acceleration exists whenever a point moves along a path that has Linear displacement Gravitational acceleration Rotational motion Tangential acceleration Linear displacement Gravitational acceleration Rotational motion Tangential acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Power of a governor is the Work-done at the sleeve for maximum equilibrium speed None of these Mean force exerted at the sleeve for a given percentage change of speed Mean force exerted at the sleeve for maximum equilibrium speed Work-done at the sleeve for maximum equilibrium speed None of these Mean force exerted at the sleeve for a given percentage change of speed Mean force exerted at the sleeve for maximum equilibrium speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The relation between the controlling force (Fc) and radius of rotation (r) for a stable spring controlled governor is Fc = ar - b Fc = a/r + b Fc = ar Fc = ar + b Fc = ar - b Fc = a/r + b Fc = ar Fc = ar + b ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following has sliding motion? Crank Crank pin Cross-head Connecting rod Crank Crank pin Cross-head Connecting rod ANSWER DOWNLOAD EXAMIANS APP