Theory of Machine The frequency of damped vibrations with viscous damping is ________ the frequency of undamped vibrations. None of these More than Same as Less than None of these More than Same as Less than ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A shaft has two heavy rotors mounted on it. The transverse natural frequencies, considering each of the rotor separately, are 100 Hz and 200 Hz respectively. The lowest critical speed is 5,367 r.p.m. 12,000 r.p.m. 6,000 r.p.m. 9,360 r.p.m. 5,367 r.p.m. 12,000 r.p.m. 6,000 r.p.m. 9,360 r.p.m. 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 None of these Unstable Isochronous Stable None of these Unstable Isochronous Stable ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the sleeve of a Porter governor moves upwards, the governor speed First increases and then decreases Decreases Increases Remain unaffected First increases and then decreases Decreases Increases Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Inertia force acts Opposite to the direction of acceleration force Along the direction of acceleration force None of the listed here Perpendicular to the acceleration force Opposite to the direction of acceleration force Along the direction of acceleration force None of the listed here Perpendicular to the acceleration force ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a rigid link OA, velocity of 'A' w.r.t. 'O' will be At 45° to OA Perpendicular to OA Along AO Parallel to OA At 45° to OA Perpendicular to OA Along AO Parallel to OA ANSWER DOWNLOAD EXAMIANS APP
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