Control Systems The impulse response of a system is c(t) = -te-t + 2 e-t (t>0). Its closed loop transfer function is (2s+1)/(s+1)² (2s+2)/s² (2s+2)/(s+1)² (2s+1)/s² (2s+1)/(s+1)² (2s+2)/s² (2s+2)/(s+1)² (2s+1)/s² ANSWER DOWNLOAD EXAMIANS APP
Control Systems Sparking between the contacts can be reduced by inserting a resistor in the line. a reactor in the line. a capacitor in series with the contacts. a capacitor in parallel with the contacts. a resistor in the line. a reactor in the line. a capacitor in series with the contacts. a capacitor in parallel with the contacts. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A proportional plus integral controller it increases rise time increases the stability of the system has high sensitivity both 2 and 3 it increases rise time increases the stability of the system has high sensitivity both 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Control Systems A second order control system is defined by the following equation: 4 d²c(t)/dt² + 8 dc(t)/dt + 16 c(t) = 16 u(t) The damping ratio and natural frequency for this system are respectively 0.50 and 2 rad/s 0.25 and 2 rad/s 0.25 and 4 rad/s 0.50 and 4 rad/s 0.50 and 2 rad/s 0.25 and 2 rad/s 0.25 and 4 rad/s 0.50 and 4 rad/s ANSWER DOWNLOAD EXAMIANS APP
Control Systems Time response for a second order system depends on the value of τ. If τ= 0 then the system is called as under damped system. critically damped system. undamped system. over damped system. under damped system. critically damped system. undamped system. over damped system. ANSWER DOWNLOAD EXAMIANS APP
Control Systems In force-current analogy, electrical analogous quantity for displacement (x) is inductance. voltage. flux. capacitance. inductance. voltage. flux. capacitance. ANSWER DOWNLOAD EXAMIANS APP
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