Power Systems Corona loss is ----------------- on hilly areas than as plain areas. None of these remain same more less None of these remain same more less 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 400 Ω 420 Ω 840 Ω 210 Ω 400 Ω 420 Ω 840 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems An isolated synchronous generator with transient reactance equal to 0.1 pu on a 100 MVA base is connected to the high voltage bus through a step up transformer of reactance 0.1 pu on a 100 MVA base. The fault level at the bus is 100 MVA 500 MVA 400 MVA 200 MVA 100 MVA 500 MVA 400 MVA 200 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? In case of parallel transmission lines stability increases fault current increases both 1 and 3 fault current reduces stability increases fault current increases both 1 and 3 fault current reduces ANSWER DOWNLOAD EXAMIANS APP
Power Systems Out of the following plant categories which is not the base load power plant? Pump storage. Nuclear. Diesel. Run of river. Pump storage. Nuclear. Diesel. Run of river. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A Pelton wheel turbine having a rated speed of 300 rpm is connected to an alternator to produce power at 50 Hz. The number of poles required in the alternator is 8 4 10 20 8 4 10 20 ANSWER DOWNLOAD EXAMIANS APP
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