Control Systems The characteristic equation of a feedback control is 2s4 + s3 + 3s2 + 5s + 10 = 0. The no of roots in the right half of the s-plane is 0. 2. 4. 3. 0. 2. 4. 3. 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 initial value? 0 1/4 3/9 3/5 0 1/4 3/9 3/5 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Sparking between the contacts can be reduced by inserting a resistor in the line. a capacitor in series with the contacts. a capacitor in parallel with the contacts. a reactor in the line. a resistor in the line. a capacitor in series with the contacts. a capacitor in parallel with the contacts. a reactor in the line. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The impulse response of the system described by the differential equation will be e6t. 1/3. e-3t u(t). (1/3) × (1-e-3t). e6t. 1/3. e-3t u(t). (1/3) × (1-e-3t). ANSWER DOWNLOAD EXAMIANS APP
Control Systems The closed loop transfer function of a unity feedback control system is 9/(s² + 3s + 9), then the type of the system is 1 2 0 3 1 2 0 3 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is/are the characteristics of negative feedback control system? Low sensitivity to parameter variations Reduction in gain at the expense of better stability All of these Rejection of disturbance signals Low sensitivity to parameter variations Reduction in gain at the expense of better stability All of these Rejection of disturbance signals ANSWER DOWNLOAD EXAMIANS APP
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