Theory of Machine In S.H.M., the velocity vector w.r.t. displacement vector Lags by 90° Are in phase Leads by 180° Leads by 90° Lags by 90° Are in phase Leads by 180° Leads by 90° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The equation of motion for a vibrating system with viscous damping is (d²x/dt²) + (c/m). (dx/dt) + (s/m). x = 0. If the roots of this equation are real, then the system will be Without vibrations Critically damped Under damped Over-damped Without vibrations Critically damped Under damped Over-damped 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) = 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 S₂/S₁ = r₁/r₂ (m.g + S₁)/(m.g + S₂) = r₁/r₂ S₁/S₂ = r₁/r₂ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The critical speed of a shaft in revolution per second is __________ as that of natural frequency of transverse vibration. Same Unpredictable None of these Different Same Unpredictable None of these Different ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a pantograph, all the pairs are Self-closed pairs Spherical pairs Turning pairs Sliding pairs Self-closed pairs Spherical pairs Turning pairs Sliding pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine V-belts are usually used for Short drives None of these Long and short drives Long drives Short drives None of these Long and short drives Long drives ANSWER DOWNLOAD EXAMIANS APP
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