Power Systems An alternator having an induced emf of 1.6 pu is connected to an infinite bus of 1 pu. If the bus bar has reactance of 0.6 pu and alternator has reactance of 0.2 pu, what is the maximum power that can be transferred? 2 pu 2.67 pu 5 pu 6 pu 2 pu 2.67 pu 5 pu 6 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speeds of Kaplan, Francis and Pelton turbines are in the decreasing order. the increasing order. None of these neither increasing nor decreasing order. the decreasing order. the increasing order. None of these neither increasing nor decreasing order. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For symmetrical network, the neutral current is infinity maximum any of the above zero infinity maximum any of the above zero 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 2.5 pu 3.75 pu 4.28 pu 7.25 pu 2.5 pu 3.75 pu 4.28 pu 7.25 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems NTPC (National Thermal Power Cooperation) has its only thermal power generating unit in West Bengal at Farakka. Bakreshwar. Durgapur. Katwa. Farakka. Bakreshwar. Durgapur. Katwa. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays is/are unit protection relays? over current relays Differential relays both 1 and 2 Buccholz relays over current relays Differential relays both 1 and 2 Buccholz relays ANSWER DOWNLOAD EXAMIANS APP
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