Control Systems Which of the following transfer functions represent under damped second order systems? 1/(s² + s + 1) 2/(s² + 2s + 2) 4/(s² + 2s + 4) All of these 1/(s² + s + 1) 2/(s² + 2s + 2) 4/(s² + 2s + 4) All of these ANSWER DOWNLOAD EXAMIANS APP
Control Systems Time constant is defined as the time taken by the response of the system to reach ----------- ? 50% of the final value 63% of the final value 100% of the final value 70.7% of the final value 50% of the final value 63% of the final value 100% of the final value 70.7% of the final value ANSWER DOWNLOAD EXAMIANS APP
Control Systems Lowest critical frequency is due to zero and it may be present at the origin or nearer to the origin, then the type of network is RL Circuit. LC circuit. RLC circuit. RC circuit. RL Circuit. LC circuit. RLC circuit. RC circuit. 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 reactor in the line. a resistor in the line. a capacitor in parallel with the contacts. a capacitor in series with the contacts. a reactor in the line. a resistor in the line. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The system function N(s) = V(s)/I(s) = (s+3)/(4s+5). The system is initially at rest. If the excitation i(t) is a unit step, which of the following is the final value? 3/5 1/4 1 0 3/5 1/4 1 0 ANSWER DOWNLOAD EXAMIANS APP
Control Systems A transfer function is given as The steady state sinusoidal response will become zero at a frequency response of 4 rad/s 9 rad/s 2 rad/s 3 rad/s 4 rad/s 9 rad/s 2 rad/s 3 rad/s ANSWER DOWNLOAD EXAMIANS APP