Theory of Machine A body is said to be under forced vibrations, when None of these A body vibrates under the influence of external force There is a reduction in amplitude after every cycle of vibration No external force acts on a body, after giving it an initial displacement None of these A body vibrates under the influence of external force There is a reduction in amplitude after every cycle of vibration No external force acts on a body, after giving it an initial displacement ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Hammer blow Is the maximum vertical unbalanced force caused by the mass added to balance the reciprocating masses Is the maximum horizontal unbalanced force caused by the mass provided to balance the reciprocating masses. Varies as the square root of the speed Varies inversely with the square of the speed Is the maximum vertical unbalanced force caused by the mass added to balance the reciprocating masses Is the maximum horizontal unbalanced force caused by the mass provided to balance the reciprocating masses. Varies as the square root of the speed Varies inversely with the square of the speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the relation between the controlling force (Fc) and radius of rotation (r) for a spring controlled governor is Fc = ar + b, then the governor will be Stable None of these Unstable Isochronous Stable None of these Unstable Isochronous ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Bifilar suspension method is used to determine Moment of inertia Position of balancing weights Natural frequency of vibration Centripetal acceleration Moment of inertia Position of balancing weights Natural frequency of vibration Centripetal acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the axes of the first and last wheels are coaxial, then the train is known as Epicyclic gear train Simple train of wheels Compound train of wheels Reverted gear train Epicyclic gear train Simple train of wheels Compound train of wheels Reverted gear train ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Whitworth quick return motion mechanism is formed in a slider crank chain when the Coupler link is fixed Smallest link is a fixed link Slider is a fixed link Longest link is a fixed link Coupler link is fixed Smallest link is a fixed link Slider is a fixed link Longest link is a fixed link ANSWER DOWNLOAD EXAMIANS APP
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