Power Systems Which of the following relationships are not valid for short transmission lines B = C = Z All of these Is = Ir A = D = 1 B = C = Z All of these Is = Ir A = D = 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reflection coefficient of voltage is Rv 2Zs/(Zs + Zl) 2Zl/(Zs + Zl) (Zs - Zl)/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zs/(Zs + Zl) 2Zl/(Zs + Zl) (Zs - Zl)/(Zs + Zl) (Zl - Zs)/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is usually employed for protection of long transmission lines only any line short transmission lines only medium transmission lines only long transmission lines only any line short transmission lines only medium transmission lines only ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the fault current is 2000 A, the relay setting is 50% and CT ratio is 400 : 5, then plug setting multiplier will be 10. 15. 50. 25. 10. 15. 50. 25. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which one of the following relays has the capability of anticipating the possible major fault in a transformer? Buchholz relay Differential relay Over current relay Over fluxing relay Buchholz relay Differential relay Over current relay Over fluxing relay ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following produces the radio interference in communication lines? electro static induction both 1 and 2 None of these electro magnetic induction electro static induction both 1 and 2 None of these electro magnetic induction ANSWER DOWNLOAD EXAMIANS APP