Theory of Machine When a slider moves on a fixed link having curved surface, their instantaneous centre lies At the pin joint At the centre of circle At the centre of curvature On their point of contact At the pin joint At the centre of circle At the centre of curvature On their point of contact ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The tractive force is maximum or minimum when the angle of inclination of crank with the line of stroke (θ) is equal to 0° and 90° 270° and 360° 90° and 180° 135° and 315° 0° and 90° 270° and 360° 90° and 180° 135° and 315° 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 (1 - c).m.ω².r (cosθ - sinθ) m.ω².r sinθ m.ω².r (cosθ - sinθ) m.ω².r cosθ (1 - c).m.ω².r (cosθ - sinθ) m.ω².r sinθ m.ω².r (cosθ - sinθ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Oldham's coupling is the Second inversion of double slider crank chain Second inversion of single slider crank chain Third inversion of slider crank chain Third inversion of double slider crank chain Second inversion of double slider crank chain Second inversion of single slider crank chain Third inversion of slider crank chain Third inversion of double slider crank chain ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The relation between number of pairs (p) forming a kinematic chain and the number of links (l) is l = 2p - 5 l = 2p - 2 l = 2p - 3 l = 2p - 4 l = 2p - 5 l = 2p - 2 l = 2p - 3 l = 2p - 4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following governor is used to drive a gramophone? Pickering governor Watt governor Porter governor Hartnell governor Pickering governor Watt governor Porter governor Hartnell governor ANSWER DOWNLOAD EXAMIANS APP