Theory of Machine In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient is 420 N/m/s, then logarithmic decrement is equal to 0.4 0.8 0.6 0.2 0.4 0.8 0.6 0.2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following disciplines provides study of the relative motion between the parts of a machine and the forces acting on the parts? Theory of machines Mechanisms Applied mechanics Kinetics Theory of machines Mechanisms Applied mechanics Kinetics ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In under damped vibrating system, the amplitude of vibration Decreases linearly with time Increases linearly with time Increases exponentially with time Decreases exponentially with time Decreases linearly with time Increases linearly with time Increases exponentially with time Decreases exponentially with time ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The equivalent length of a simple pendulum which gives the same frequency as a compound pendulum is (kG² + h²)/h (kG² + h²)/h² h²/(kG² + h²) h/(kG² + h²) (kG² + h²)/h (kG² + h²)/h² h²/(kG² + h²) h/(kG² + h²) 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 S₂/S₁ = r₁/r₂ (m.g - S₁)/(m.g - S₂) = r₂/r₁ S₁/S₂ = r₁/r₂ (m.g + S₁)/(m.g + S₂) = r₁/r₂ S₂/S₁ = r₁/r₂ (m.g - S₁)/(m.g - S₂) = r₂/r₁ S₁/S₂ = r₁/r₂ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force is __________ the primary unbalanced force. One-half Two-third n times 1/n times One-half Two-third n times 1/n times ANSWER DOWNLOAD EXAMIANS APP
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