Power Systems Mho relay is usually employed for protection of medium transmission lines only any line long transmission lines only short transmission lines only medium transmission lines only any line long transmission lines only short transmission lines only ANSWER DOWNLOAD EXAMIANS APP
Power Systems Installation of capacitors at suitable locations and of optimum size in a distribution system results in reduction of KVA rating of distribution transformers All of these reduction in distribution power loss improved voltage regulation reduction of KVA rating of distribution transformers All of these reduction in distribution power loss improved voltage regulation ANSWER DOWNLOAD EXAMIANS APP
Power Systems If, for a given alternator in economic operation mode, the incremental cost is given by (0.012 P + 8) Rs/MWh, dPL/dP = 0.2 and plant λ = 25, then power generation is 750 MW 1500 MW 1250 MW 1000 MW 750 MW 1500 MW 1250 MW 1000 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems If L and C are 4 mH and 0.0001 μF respectively a current chop of magnitude 50 Amp would induced a voltage 100 kV. 50 kV. 400 kV. 200 kV. 100 kV. 50 kV. 400 kV. 200 kV. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The surge impedance of a 400 km long overhead transmission line is 420 Ω. For a 200 km length of the same line, the surge impedance will be 210 Ω 840 Ω 420 Ω 400 Ω 210 Ω 840 Ω 420 Ω 400 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following frequency control method tie line may be overloaded? flat tie line control All of these parallel frequency flat frequency control flat tie line control All of these parallel frequency flat frequency control ANSWER DOWNLOAD EXAMIANS APP