Theory of Machine The motion between a pair when limited to a definite direction, irrespective of the direction of force applied, is known as None of these Completely constrained motion Successfully constrained motion Incompletely constrained motion None of these Completely constrained motion Successfully constrained motion Incompletely constrained motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A Porter governor is a Inertia governor Spring loaded governor Pendulum type governor Dead weight governor Inertia governor Spring loaded governor Pendulum type governor Dead weight governor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A simple spring-mass vibrating system has a natural frequency of fn. If the spring stiffness is halved and the mass is doubled, then the natural frequency will become 4 fn 2 fn 8 fn fn/2 4 fn 2 fn 8 fn fn/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The danger of breakage and vibration is maximum Above the critical speed Near the critical speed None of these Below the critical speed Above the critical speed Near the critical speed None of these Below the critical speed 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 (sin 2θ/n) m.ω².r (cos 2θ/n) m.ω².r sinθ m.ω².r cosθ m.ω².r (sin 2θ/n) m.ω².r (cos 2θ/n) m.ω².r sinθ m.ω².r cosθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the pitching of a ship is __________ the effect of gyroscopic couple acting on it will be to move the ship towards port side. Forward Backward Upward Downward Forward Backward Upward Downward ANSWER DOWNLOAD EXAMIANS APP
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