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? 1/4 3/9 0 3/5 1/4 3/9 0 3/5 ANSWER DOWNLOAD EXAMIANS APP
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 0.07 0.87 0.707 0.087 0.07 0.87 0.707 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Adding a pole to a system transfer function in terms of compensator represents a --------------- compensator ? lead-lag lag lag-lead lead lead-lag lag lag-lead lead ANSWER DOWNLOAD EXAMIANS APP
Control Systems The open loop transfer function of a unity feedback control system is given by G(s) = k/s(s+1). If the gain k is increased to infinity, then damping ratio will tend to become unity 0.707 infinite zero unity 0.707 infinite zero ANSWER DOWNLOAD EXAMIANS APP
Control Systems None of the poles of a linear control system lie in the right half of s plane. For a bounded input, the output of this system none of these. could be unbounded. always bounded. tends to zero. none of these. could be unbounded. always bounded. tends to zero. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following are the disadvantages of a closed loop control system? Oscillatory response. All of these Complex and costly. Reduces the overall gain. Oscillatory response. All of these Complex and costly. Reduces the overall gain. ANSWER DOWNLOAD EXAMIANS APP
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