Control Systems When writing a transfer function which of the following loops are not valid loops? Both 1 and 2. Self loops at input node. Self loops at output node. Neither 1 nor 2. Both 1 and 2. Self loops at input node. Self loops at output node. Neither 1 nor 2. ANSWER DOWNLOAD EXAMIANS APP
Control Systems When the system gain is doubled the gain margin becomes? Remains unaffected 1/2 times 2 times None of these Remains unaffected 1/2 times 2 times None of these 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 zero 0.707 infinite unity zero 0.707 infinite ANSWER DOWNLOAD EXAMIANS APP
Control Systems A system is stable for (where GM = Gain Margin and PM = Phase Margin): GM and PM both -ve. GM -ve. PM - ve. GM and PM both +ve. GM and PM both -ve. GM -ve. PM - ve. GM and PM both +ve. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is the electrical analogous element for displacement in force-voltage analogy? Charge. Voltage. Flux. Current. Charge. Voltage. Flux. Current. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The error of a system to a ramp input is 1/5, if the type of the system is decreased by one, then the error of unit step input is 5 0.167 0.2 6/5 5 0.167 0.2 6/5 ANSWER DOWNLOAD EXAMIANS APP
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