Power Systems A transmission line has a surge impedance of 400 Ω for a length of the line of 200 km. If the length of line is increased to 400 km, then its surge impedance is 400 Ω 0 Ω 200 Ω 800 Ω 400 Ω 0 Ω 200 Ω 800 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems A CT is connected in ___________________ with the line. across. series. not connected. both A and B. across. series. not connected. both A and B. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relationships are not valid for short transmission lines B = C = Z Is = Ir All of these A = D = 1 B = C = Z Is = Ir All of these A = D = 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The time taken by the turbine to fall to 0 rpm speed from 3000 rpm is called damping time. coasting time. settling time. stopping time. damping time. coasting time. settling time. stopping time. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The rate of rise of restricting voltage depends upon the Capacitance of the system. Inductance of the system. Inductance and capacitance of the system. Type of CB. Capacitance of the system. Inductance of the system. Inductance and capacitance of the system. Type of CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The thermal efficiency of BWR is less than that of PWR. None of these equal to that of PWR. greater than that of PWR. less than that of PWR. None of these equal to that of PWR. greater than that of PWR. ANSWER DOWNLOAD EXAMIANS APP