Theory of Machine The swaying couple is maximum or minimum when the angle of inclination of the crank to the line of stroke (θ) is equal to 270° and 360° 45° and 225° 180° and 270° 90° and 180° 270° and 360° 45° and 225° 180° and 270° 90° and 180° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following mechanism is an approximate straight line motion mechanism? Grasshopper mechanism Watt's mechanism Robert's mechanism All of these Grasshopper mechanism Watt's mechanism Robert's mechanism All of these 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 529.2 N-s/m 1.4 N-s/m 52.92 N-s/m 18.52 N-s/m 529.2 N-s/m 1.4 N-s/m 52.92 N-s/m 18.52 N-s/m 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 (cosθ - sinθ) m.ω².r sinθ m.ω².r cosθ (1 - c).m.ω².r (cosθ - sinθ) m.ω².r (cosθ - sinθ) m.ω².r sinθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a mass of a critically damped single degree of freedom system is deflected from its equilibrium position and released, then it will Oscillate with increasing time period Return to equilibrium position without oscillation Oscillate with constant amplitude Oscillate with decreasing amplitude Oscillate with increasing time period Return to equilibrium position without oscillation Oscillate with constant amplitude Oscillate with decreasing amplitude ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The pressure angle of a cam depends upon Lift of follower Angle of ascent Offset between center lines of cam and follower All of these Lift of follower Angle of ascent Offset between center lines of cam and follower All of these ANSWER DOWNLOAD EXAMIANS APP
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