Power Systems The shape of the disc of an induction disc relay is elliptical. spiral. none of these. circular. elliptical. spiral. none of these. circular. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Communications lines are treated as medium transmission lines long transmission lines short transmission lines any of the above medium transmission lines long transmission lines short transmission lines any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems For symmetrical network, the neutral current is maximum any of the above zero infinity maximum any of the above zero infinity ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the incident current? 250 A 200 A 100 A 2500 A 250 A 200 A 100 A 2500 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal protection switch is used to provide protection against overload. temperature. short circuit. over voltage. overload. temperature. short circuit. over voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The pu parameters for a 500 MVA machine on its own base are: Inertia, H = 20 pu; reactance X = 2 pu. The pu values of inertia and reactance on 100 MVA common base, respectively, are 4, 0.4 100, 0.4 4, 10 100, 10 4, 0.4 100, 0.4 4, 10 100, 10 ANSWER DOWNLOAD EXAMIANS APP
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