Theory of Machine When the crank is at the inner dead center, in a reciprocating steam engine, then the acceleration of the piston will be ω²r. n/(n - 1) ω²r. n/(n + 1) ω²r. (n - 1)/n ω²r. (n + 1)/n ω²r. n/(n - 1) ω²r. n/(n + 1) ω²r. (n - 1)/n ω²r. (n + 1)/n ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In considering friction of a V-thread, the virtual coefficient of friction (μ₁) is given by μ₁ = μ/sin β μ₁ = μ cos β μ₁ = μ sin β μ₁ = μ/cos β μ₁ = μ/sin β μ₁ = μ cos β μ₁ = μ sin β μ₁ = μ/cos β ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In steady state forced vibrations, the amplitude of vibrations at resonance is __________ damping coefficient. Directly proportional to Independent of Equal to Inversely proportional to Directly proportional to Independent of Equal to Inversely proportional to ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of maximum fluctuation of energy to the work-done per cycle is called Coefficient of fluctuation of energy Maximum fluctuation of energy Fluctuation of energy None of these Coefficient of fluctuation of energy Maximum fluctuation of energy Fluctuation of energy None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When two pulleys of different diameters are connected by means of an open belt, the angle of contact at the ________ pulley must be taken into consideration. None of the listed here Smaller OR Larger Larger Smaller None of the listed here Smaller OR Larger Larger Smaller ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The tractive force in a locomotive with two cylinders is given by (where c = Fraction of reciprocating parts per cylinder, m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, and θ = Angle of inclination of crank to the line of stroke) m.ω².r sinθ (1 - c).m.ω².r (cosθ - sinθ) m.ω².r (cosθ - sinθ) m.ω².r cosθ m.ω².r sinθ (1 - c).m.ω².r (cosθ - sinθ) m.ω².r (cosθ - sinθ) m.ω².r cosθ ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS