Theory of Machine The periodic time is given by (where ω = Angular velocity of the particle in rad/s) π/ω ω/2π ω × 2π 2π/ω π/ω ω/2π ω × 2π 2π/ω ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In under damped vibrating system, the amplitude of vibration Increases linearly with time Decreases exponentially with time Increases exponentially with time Decreases linearly with time Increases linearly with time Decreases exponentially with time Increases exponentially with time Decreases linearly with time ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A body is said to be under forced vibrations, when A body vibrates under the influence of external force No external force acts on a body, after giving it an initial displacement There is a reduction in amplitude after every cycle of vibration None of these A body vibrates under the influence of external force No external force acts on a body, after giving it an initial displacement There is a reduction in amplitude after every cycle of vibration None of these 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) (m.g + S₁)/(m.g + S₂) = r₁/r₂ (m.g - S₁)/(m.g - S₂) = r₂/r₁ S₂/S₁ = r₁/r₂ S₁/S₂ = r₁/r₂ (m.g + S₁)/(m.g + S₂) = r₁/r₂ (m.g - S₁)/(m.g - S₂) = r₂/r₁ S₂/S₁ = r₁/r₂ S₁/S₂ = r₁/r₂ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Cross head and guides form a Turning pair Lower pair Higher pair Sliding pair Turning pair Lower pair Higher pair Sliding pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing with assumption of uniform pressure is _________ as compared to uniform wear. More Less Same None of the listed here More Less Same None of the listed here ANSWER DOWNLOAD EXAMIANS APP