Control Systems Sparking between the contacts can be reduced by inserting a capacitor in series with the contacts. a resistor in the line. a reactor in the line. a capacitor in parallel with the contacts. a capacitor in series with the contacts. a resistor in the line. a reactor in the line. a capacitor in parallel with the contacts. 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 infinite unity zero 0.707 infinite unity zero 0.707 ANSWER DOWNLOAD EXAMIANS APP
Control Systems First Foster form of a LC network represents which element in the beginning? Both A and B. Resistor. Capacitor. Inductor. Both A and B. Resistor. Capacitor. Inductor. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The type of a control system is obtained from -------------- transfer function? both open loop and closed loop closed loop none of above. open loop both open loop and closed loop closed loop none of above. open loop ANSWER DOWNLOAD EXAMIANS APP
Control Systems A unity feedback control system has forward loop transfer function as e-Ts/s(s+1). Its phase value will be zero at frequency ω1. Which of the following equations should be satisfied by ω1? ω1 = tan(Tω1) Tω1 = tan(ω1) Tω1 = cot(ω1) ω1 = cot(Tω1) ω1 = tan(Tω1) Tω1 = tan(ω1) Tω1 = cot(ω1) ω1 = cot(Tω1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following combinations is/are correct electrical analogous elements in force-current analogy? Force (f) --------------------- Current (i) Velocity (v) ----------------- Voltage (V) Spring element (K) --------- Inverse inductance (1/L) All of these Force (f) --------------------- Current (i) Velocity (v) ----------------- Voltage (V) Spring element (K) --------- Inverse inductance (1/L) All of these ANSWER DOWNLOAD EXAMIANS APP