Theory of Machine The lower pairs are _________ pairs. Self-closed None of these Force-closed Friction closed Self-closed None of these Force-closed Friction closed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Balancing of rotating and reciprocating parts of an engine is necessary when it runs at Slow speed Any one of these Highs peed Moderate speed Slow speed Any one of these Highs peed Moderate speed 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 (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 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 Return to equilibrium position without oscillation Oscillate with decreasing amplitude Oscillate with constant amplitude Oscillate with increasing time period Return to equilibrium position without oscillation Oscillate with decreasing amplitude Oscillate with constant amplitude Oscillate with increasing time period ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is a pendulum type governor? Hartnell governor Porter governor None of these Watt governor Hartnell governor Porter governor None of these Watt governor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum fluctuation of speed is the Difference of minimum fluctuation of speed and the mean speed Sum of maximum and minimum speeds Variations of speed above and below the mean resisting torque line Difference of the maximum and minimum speeds Difference of minimum fluctuation of speed and the mean speed Sum of maximum and minimum speeds Variations of speed above and below the mean resisting torque line Difference of the maximum and minimum speeds ANSWER DOWNLOAD EXAMIANS APP
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