Theory of Machine The frequency of damped vibrations with viscous damping is ________ the frequency of undamped vibrations. More than Same as None of these Less than More than Same as None of these Less than ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When two pulleys are connected by means of a cross belt drive, then both the pulleys will rotate in _________ directions. None of these Opposite Perpendicular Same None of these Opposite Perpendicular Same ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A system in dynamic balance implies that There will absolutely no wear of bearings The system is also statically balanced The system is critically damped There is no critical speed in the system There will absolutely no wear of bearings The system is also statically balanced The system is critically damped There is no critical speed in the system ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For an isochronous Hartnell governor (where r₁ and r₂ = Maximum and minimum radius of rotation of balls respectively, S₁ and S₂ = Maximum and minimum force exerted on the sleeve respectively, and M = Mass on the sleeve) S₂/S₁ = r₁/r₂ (m.g + S₁)/(m.g + S₂) = r₁/r₂ S₁/S₂ = r₁/r₂ (m.g - S₁)/(m.g - S₂) = r₂/r₁ S₂/S₁ = r₁/r₂ (m.g + S₁)/(m.g + S₂) = r₁/r₂ S₁/S₂ = r₁/r₂ (m.g - S₁)/(m.g - S₂) = r₂/r₁ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a conical pivot bearing, considering uniform pressure, is (where R = Radius of shaft, and α = Semi-angle of the cone) (3/4) μ W R cosecα μ W R cosecα (2/3) μ W R cosecα (1/2) μ W R cosecα (3/4) μ W R cosecα μ W R cosecα (2/3) μ W R cosecα (1/2) μ W R cosecα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A body is said to be under forced vibrations, when None of these No external force acts on a body, after giving it an initial displacement There is a reduction in amplitude after every cycle of vibration A body vibrates under the influence of external force None of these No external force acts on a body, after giving it an initial displacement There is a reduction in amplitude after every cycle of vibration A body vibrates under the influence of external force ANSWER DOWNLOAD EXAMIANS APP
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