Theory of Machine For an involute gear, the ratio of base circle radius and pitch circle radius is equal to cosecφ sinφ secφ cosφ cosecφ sinφ secφ cosφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The essential condition of placing the two masses, so that the system becomes dynamically equivalent, is (where l₁ and l₂ = Distance of two masses from the centre of gravity of the body, and kG = Radius of gyration of the body) l₂ = kG l₁ = kG l₁l₂ = kG l₁l₂ = kG² l₂ = kG l₁ = kG l₁l₂ = kG l₁l₂ = kG² 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 (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 m.ω².r sinθ (1 - c).m.ω².r (cosθ - sinθ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For fluctuating loads, well suited bearing is Roller bearing Needle roller bearing Ball bearing Thrust bearing Roller bearing Needle roller bearing Ball bearing Thrust bearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Coriolis component is encountered in Both (A) and (C) above Quick return mechanism of shaper Four bar chain mechanism Slider crank mechanism Both (A) and (C) above Quick return mechanism of shaper Four bar chain mechanism Slider crank mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For dynamic balancing of a shaft None of these The net couple due to the dynamic forces acting on the shaft is equal to zero The net dynamic force acting on the shaft is equal to zero Both (A) and (B) None of these The net couple due to the dynamic forces acting on the shaft is equal to zero The net dynamic force acting on the shaft is equal to zero Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS