Theory of Machine The coefficient of fluctuation of speed is __________ of maximum fluctuation of speed and the mean speed. Ratio Product Difference Sum Ratio Product Difference Sum ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force is maximum when the angle of inclination of the crank with the line of stroke is Both (A) and (B) 0° and 90° None of these 180° and 360° Both (A) and (B) 0° and 90° None of these 180° and 360° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In S.H.M., the velocity vector w.r.t. displacement vector Are in phase Lags by 90° Leads by 180° Leads by 90° Are in phase Lags by 90° Leads by 180° Leads by 90° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction) α = 90° + φ α = 90° - φ α = 45° + φ/2 α = 45° - φ/2 α = 90° + φ α = 90° - φ α = 45° + φ/2 α = 45° - φ/2 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 Under damped Critically damped Without vibrations Over-damped Under damped Critically damped Without vibrations Over-damped ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A mechanism _________ for transmitting or transforming motion. None of these Can be used Unpredictable Can not be used None of these Can be used Unpredictable Can not be used ANSWER DOWNLOAD EXAMIANS APP
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