Theory of Machine When the crank is at the inner dead centre, in a reciprocating steam engine, then the velocity of the piston will be None of these Maximum Zero Minimum None of these Maximum Zero Minimum ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine According to Kennedy's theorem, if three bodies have plane motions, their instantaneous centers lie on A. A triangle A point A straight line A triangle Two lines A point A straight line A triangle Two lines 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
Theory of Machine The pair is known as a higher pair, when the relative motion between the elements of a pair is Partly turning and partly sliding Rolling only Turning only Sliding only Partly turning and partly sliding Rolling only Turning only Sliding only ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In S.H.M., the velocity vector w.r.t. displacement vector Leads by 180° Leads by 90° Are in phase Lags by 90° Leads by 180° Leads by 90° Are in phase Lags by 90° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Crowning on pulleys helps For automatic adjustment of belt position so that belt runs centrally Increase belt and pulley life In decreasing the slip of the belt In increasing velocity ratio For automatic adjustment of belt position so that belt runs centrally Increase belt and pulley life In decreasing the slip of the belt In increasing velocity ratio ANSWER DOWNLOAD EXAMIANS APP
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