Theory of Machine In a coupling rod of a locomotive, each of the four pairs is a ________ pair. Rolling Sliding Screw Turning Rolling Sliding Screw Turning 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) (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 m.ω².r sinθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The stress induced in a body will be shear stress, when it is subjected to Transverse vibrations None of these Longitudinal vibrations Torsional vibrations Transverse vibrations None of these Longitudinal vibrations Torsional vibrations ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The transmissibility, for all values of damping factor, will be less than unity, if ω/ωn is Equal to 2 Less than 2 Greater than 2 Equal to 1 Equal to 2 Less than 2 Greater than 2 Equal to 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The lower pairs are _________ pairs. Force-closed None of these Friction closed Self-closed Force-closed None of these Friction closed Self-closed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A simple spring-mass vibrating system has a natural frequency of fn. If the spring stiffness is halved and the mass is doubled, then the natural frequency will become fn/2 2 fn 4 fn 8 fn fn/2 2 fn 4 fn 8 fn ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS