Theory of Machine In a ball bearing, ball and bearing forms a Rolling pair Spherical pair Turning pair Screw pair Rolling pair Spherical pair Turning pair Screw pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Kinematic pairs are those which have Two elements that permit relative motion Surface contact between the two elements when in motion Point or line contact between the two elements when in motion Elements of pairs not held together mechanically Two elements that permit relative motion Surface contact between the two elements when in motion Point or line contact between the two elements when in motion Elements of pairs not held together mechanically 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 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 m.ω².r (sin 2θ/n) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The moment on the pulley which produces rotation is called Inertia Moment of momentum Momentum Torque Inertia Moment of momentum Momentum Torque ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the axes of the first and last wheels are coaxial, then the train is known as Reverted gear train Simple train of wheels Epicyclic gear train Compound train of wheels Reverted gear train Simple train of wheels Epicyclic gear train Compound train of wheels ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The power of a Porter governor is equal to [3c²/(1 + 2c)] (m + M) g.h [2c²/(1 + 2c)] (m + M) g.h [c²/(1 + 2c)] (m + M) g.h [4c²/(1 + 2c)] (m + M) g.h [3c²/(1 + 2c)] (m + M) g.h [2c²/(1 + 2c)] (m + M) g.h [c²/(1 + 2c)] (m + M) g.h [4c²/(1 + 2c)] (m + M) g.h ANSWER DOWNLOAD EXAMIANS APP
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