Power Systems The characteristic impedance of a transmission line is Independent of its length. Inversely proportional to square root of its length. Directly proportional to its length. Directly proportional to square root of its length. Independent of its length. Inversely proportional to square root of its length. Directly proportional to its length. Directly proportional to square root of its length. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Suspension type insulators are used for voltage beyond 33 kV 230 V 440 V 11 kV 33 kV 230 V 440 V 11 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems The pickup value of relay is 6.5 Amp and fault current in relay coil is 39 Amp. Its plug setting multiplier is 7 A. 10 A. 6 A. 8 A. 7 A. 10 A. 6 A. 8 A. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Isolator in sub station is open under ------------- condition? no load full load short circuit any of the above no load full load short circuit any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the disadvantages of phase modifiers? It consumes both active and reactive power Initial cost of synchronous phase modifier is higher All of these It requires more maintenance because of running equipment It consumes both active and reactive power Initial cost of synchronous phase modifier is higher All of these It requires more maintenance because of running equipment ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the surge impedance of a line when inductance is 160 mH and capacitance is 1µF? 200 Ω 160 Ω 800 Ω 400 Ω 200 Ω 160 Ω 800 Ω 400 Ω ANSWER DOWNLOAD EXAMIANS APP
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