Theory of Machine If ω/ωn is very low for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach 360° 180° 90° 0° 360° 180° 90° 0° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In under damped vibrating system, the amplitude of vibration Decreases linearly with time 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 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted by a cone clutch is same as that of Flat collar bearing Conical pivot bearing Truncated conical pivot bearing Flat pivot bearing Flat collar bearing Conical pivot bearing Truncated conical pivot bearing Flat pivot bearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft, and tan φ = Coefficient of friction between the shaft and bearing) (r/2) cosφ r tanφ r cosφ r sinφ (r/2) cosφ r tanφ r cosφ r sinφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Critical damping is a function of Mass and natural frequency Damping coefficient and natural frequency Mass and damping coefficient Mass and stiffness Mass and natural frequency Damping coefficient and natural frequency Mass and damping coefficient Mass and stiffness ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a screw jack, the effort required to lower the load W is given by P = W cos(α + φ) P = W tan(φ - α) P = W tan(α - φ) P = W tan(α + φ) P = W cos(α + φ) P = W tan(φ - α) P = W tan(α - φ) P = W tan(α + φ) ANSWER DOWNLOAD EXAMIANS APP
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