Power Systems Which of the following materials is/are used as moderators? heavy water All of these beryllium graphite heavy water All of these beryllium graphite ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where the voltage is high and current to be interrupted is low, Which of following the breaker is preferable? Air blast CB. Oil CB. Any of these. Vacuum CB. Air blast CB. Oil CB. Any of these. Vacuum CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The annual depreciation of hydro power plant is about 10 - 15 %. 20 - 25 %. 15 - 20 %. 0.5 - 1.5 %. 10 - 15 %. 20 - 25 %. 15 - 20 %. 0.5 - 1.5 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A sodium graphite reactors use a mixture of sodium and graphite as moderator. sodium as coolant and graphite as moderator. sodium as moderator and graphite as coolant. a mixture of sodium and graphite as coolant. a mixture of sodium and graphite as moderator. sodium as coolant and graphite as moderator. sodium as moderator and graphite as coolant. a mixture of sodium and graphite as coolant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following insulator is practically used for railway crossings? strain insulator string insulator All of these pin insulator strain insulator string insulator All of these pin insulator ANSWER DOWNLOAD EXAMIANS APP
Power Systems An unloaded generator with a pre-fault voltage 1 pu has the following sequence impedance: Z0 = j 0.15 pu, Z1 = Z2 = j 0.25 pu The neutral is grounded with a reactance of 0.05 pu. The fault current in pu for single line to ground fault is 4.28 pu 3.75 pu 2.5 pu 7.25 pu 4.28 pu 3.75 pu 2.5 pu 7.25 pu ANSWER DOWNLOAD EXAMIANS APP
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