Power Systems Breaking current is a ------------------ value? RMS average maximum any of the above RMS average maximum any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Corona loss is ----------------- on hilly areas than as plain areas. more None of these less remain same more None of these less remain same ANSWER DOWNLOAD EXAMIANS APP
Power Systems In boiler water reactor (BWR) the feed water acts both coolant and a moderator. all of above. there is danger of radioactive contamination of steam. enriched uranium is used as fuel. the feed water acts both coolant and a moderator. all of above. there is danger of radioactive contamination of steam. enriched uranium is used as fuel. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following faults is/are treated as external faults? Over voltage Failure of excitation All of these Failure of prime mover of the generator Over voltage Failure of excitation All of these Failure of prime mover of the generator 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 2.5 pu 7.25 pu 3.75 pu 4.28 pu 2.5 pu 7.25 pu 3.75 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ferranti effect will not occur in which of the following transmission lines long transmission lines All of these medium transmission lines short transmission lines long transmission lines All of these medium transmission lines short transmission lines ANSWER DOWNLOAD EXAMIANS APP