Control Systems When writing a transfer function which of the following loops are not valid loops? Neither 1 nor 2. Both 1 and 2. Self loops at output node. Self loops at input node. Neither 1 nor 2. Both 1 and 2. Self loops at output node. Self loops at input node. 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? 3/9 3/5 1/4 0 3/9 3/5 1/4 0 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The characteristic equation of a control system is give by s(s + 4)(s² + 2s + 1) + k(s + 1) = 0. Find the angle between the asymptotes? 360° 60° 180° 120° 360° 60° 180° 120° 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 Based on relation between the arm impedances the filters can be categorized into how many types? 4. 3. Not classified at all. 2. 4. 3. Not classified at all. 2. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A second order control system has a transfer function 16/(s² + 4s + 16). Find the settling time for 2% tolerance? 2 sec 10 sec 4 sec 5 sec 2 sec 10 sec 4 sec 5 sec ANSWER DOWNLOAD EXAMIANS APP
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