Theory of Machine In railway axle boxes, the bearing used is Cylindrical roller bearing Double row spherical roller bearing Deep groove ball bearing Double row self aligning ball bearing Cylindrical roller bearing Double row spherical roller bearing Deep groove ball bearing Double row self aligning ball bearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In multi V-belt transmission, if one of the belt is broken, we have to change the All the belts Broken belt Broken belt and its adjacent belts There is no need of changing any one as remaining belts can take care of transmission of load All the belts Broken belt Broken belt and its adjacent belts There is no need of changing any one as remaining belts can take care of transmission of load ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of lower pair is Automobile steering gear All of these Shaft revolving in a bearing Straight line motion mechanisms Automobile steering gear All of these Shaft revolving in a bearing Straight line motion mechanisms ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is an inversion of Single slider crank chain? Beam engine Elliptical trammel Rotary engine Oldham’s coupling Beam engine Elliptical trammel Rotary engine Oldham’s coupling 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) (1 - c).m.ω².r (cosθ - sinθ) m.ω².r cosθ m.ω².r sinθ m.ω².r (cosθ - sinθ) (1 - c).m.ω².r (cosθ - sinθ) m.ω².r cosθ m.ω².r sinθ 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)] ωr [cos θ + (cos 2θ/n)] ω²r [sin θ + (sin 2θ/n)] ω²r [cos θ + (cos 2θ/n)] ωr [sin θ + (sin 2θ/n)] ωr [cos θ + (cos 2θ/n)] ω²r [sin θ + (sin 2θ/n)] ω²r [cos θ + (cos 2θ/n)] ANSWER DOWNLOAD EXAMIANS APP