Theory of Machine A pantograph is a mechanism with Higher pairs Lower pairs Turning pairs Rolling pairs Higher pairs Lower pairs Turning pairs Rolling pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The primary 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 cosθ m.ω².r (sin 2θ/n) m.ω².r sinθ m.ω².r (cos 2θ/n) m.ω².r cosθ m.ω².r (sin 2θ/n) m.ω².r sinθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The C.G. of a link in any mechanism would experience Angular acceleration No acceleration Both angular and linear accelerations Linear acceleration Angular acceleration No acceleration Both angular and linear accelerations Linear acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a shaper mechanism, the Coriolis component of acceleration will Depend on position of crank Not exist Exist None of these Depend on position of crank Not exist Exist None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine With usual notations for different parameters involved, the maximum fluctuations of energy for a flywheel is given by 2ECS EC S/2 2ECS² 2E²CS 2ECS EC S/2 2ECS² 2E²CS ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A spring controlled governor is found unstable. It can be made stable by Increasing the spring stiffness Increasing the ball mass Decreasing the spring stiffness Decreasing the ball mass Increasing the spring stiffness Increasing the ball mass Decreasing the spring stiffness Decreasing the ball mass ANSWER DOWNLOAD EXAMIANS APP
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