Control Systems For a second order under damped system subjected to unit step input the time response has first peak value to be 4 times the second over shoot. Determine the damping ratio ξ ? 0.087 0.87 0.07 0.707 0.087 0.87 0.07 0.707 ANSWER DOWNLOAD EXAMIANS APP
Control Systems In the integral control of the single area system frequency error is reduced to zero. Then integrator o/p decreases and speed changer position comes down. integrator output and speed changer position attain a constant value. integrator o/p decreases but speed changer position moves up. integrator o/p increases but speed changer position comes down. integrator o/p decreases and speed changer position comes down. integrator output and speed changer position attain a constant value. integrator o/p decreases but speed changer position moves up. integrator o/p increases but speed changer position comes down. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The initial slope of Bode plot for a transfer function having no poles at the origin is +10dB/decade. -20dB/decade. -10dB/decade. 0 dB/decade +10dB/decade. -20dB/decade. -10dB/decade. 0 dB/decade ANSWER DOWNLOAD EXAMIANS APP
Control Systems If the transfer function of a phase lead compensator is (s+a)/(s+b) and that of a lag compensator is (s+p)/(s+q), then which one of the following sets of conditions must be satisfied? a > b, p > q a < b, p >q a < b, p < q a > b, p < q a > b, p > q a < b, p >q a < b, p < q a > b, p < q ANSWER DOWNLOAD EXAMIANS APP
Control Systems Sparking between the contacts can be reduced by inserting a capacitor in parallel with the contacts. a capacitor in series with the contacts. a resistor in the line. a reactor in the line. a capacitor in parallel with the contacts. a capacitor in series with the contacts. a resistor in the line. a reactor in the line. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The optimum values of damping ratio is -------------- 0.3 to 5 0.9 to 1.1 0.3 to 0.7 0 to 2 0.3 to 5 0.9 to 1.1 0.3 to 0.7 0 to 2 ANSWER DOWNLOAD EXAMIANS APP