Theory of Machine The mechanism consisting of three turning pairs and one sliding pair, is called a All of these Single slider crank chain Whitworth quick return motion mechanism Crank and slotted lever quick return motion mechanism All of these Single slider crank chain Whitworth quick return motion mechanism Crank and slotted lever quick return motion mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is(Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing) ½μWR μwr ²/₃ μWR ¾μWR ½μWR μwr ²/₃ μWR ¾μWR 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 Oscillate with constant amplitude Oscillate with decreasing amplitude Return to equilibrium position without oscillation Oscillate with increasing time period Oscillate with constant amplitude Oscillate with decreasing amplitude Return to equilibrium position without oscillation ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When two pulleys are connected by means of a cross belt drive, then both the pulleys will rotate in _________ directions. Perpendicular Opposite None of these Same Perpendicular Opposite None of these Same ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force due to inertia of reciprocating parts in a reciprocating engine is given by (where m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, θ = Angle of inclination of crank with the line of stroke, and n = Ratio of the length of connecting rod to radius of crank) m.ω².r sinθ m.ω².r (cos 2θ/n) m.ω².r (sin 2θ/n) m.ω².r cosθ m.ω².r sinθ m.ω².r (cos 2θ/n) m.ω².r (sin 2θ/n) m.ω².r cosθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine An imaginary circle which by pure rolling action, gives the same motion as the actual gear, is called Dedendum circle Clearance circle Addendum circle Pitch circle Dedendum circle Clearance circle Addendum circle Pitch circle ANSWER DOWNLOAD EXAMIANS APP
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