Theory of Machine The velocity of a body moving with simple harmonic motion is __________ at the mean position. Zero None of these Minimum Maximum Zero None of these Minimum Maximum ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Scotch yoke mechanism is used to generate Square roots Logarithms Sine functions Inversions Square roots Logarithms Sine functions Inversions ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following governor is used to drive a gramophone? Hartnell governor Pickering governor Watt governor Porter governor Hartnell governor Pickering governor Watt governor Porter governor 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 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) m.ω².r cosθ (1 - c).m.ω².r (cosθ - sinθ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A mass of 1 kg is attached to the end of a spring with a stiffness of 0.7 N/mm. The critical damping coefficient of this system is 18.52 N-s/m 52.92 N-s/m 1.4 N-s/m 529.2 N-s/m 18.52 N-s/m 52.92 N-s/m 1.4 N-s/m 529.2 N-s/m ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A spring controlled governor is said to be unstable when the controlling force Remains constant for all radii of rotation Decreases as the radius of rotation increases Increases as the radius of rotation increases Increases as the radius of rotation decreases Remains constant for all radii of rotation Decreases as the radius of rotation increases Increases as the radius of rotation increases Increases as the radius of rotation decreases ANSWER DOWNLOAD EXAMIANS APP