Theory of Machine A system of masses rotating in different parallel planes is in dynamic balance if the Resultant force and resultant couple are both equal to zero Resultant force is numerically equal to the resultant couple, but neither of them need necessarily be zero Resultant couple is equal to zero Resultant force is equal to zero Resultant force and resultant couple are both equal to zero Resultant force is numerically equal to the resultant couple, but neither of them need necessarily be zero Resultant couple is equal to zero Resultant force is equal to zero ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When there is a reduction in amplitude over every cycle of vibration, then the body is said to have Damped vibration Forced vibration Free vibration Under damped vibration Damped vibration Forced vibration Free vibration Under damped vibration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Peaucellier’s mechanism has Six links Eight links Four links Twelve links Six links Eight links Four links Twelve links 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) (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 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is 6π Hz 6 Hz 3 Hz 3π Hz 6π Hz 6 Hz 3 Hz 3π Hz ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine To transmit power from one rotating shaft to another whose axes are neither parallel nor intersecting, use? Bevel gear Spur gear Worm gear Spiral gear Bevel gear Spur gear Worm gear Spiral gear ANSWER DOWNLOAD EXAMIANS APP
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