Power Systems Recovery voltage in CB is equal to none of these. normal frequency 50 Hz rms voltage. transient voltage. arcing period voltage. none of these. normal frequency 50 Hz rms voltage. transient voltage. arcing period voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following rotor is used in thermal power plants? cylindrical rotor squirrel cage rotor salient pole rotor either of these cylindrical rotor squirrel cage rotor salient pole rotor either of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 4*4 Y bus matrix the number of non zero elements are 12. Find the sparsity of the system? 0.5 1 0.25 0.75 0.5 1 0.25 0.75 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a power system with negligible resistance, the fault current at a point is 8.00 pu. The series reactance is to be included at the fault point to limit the short circuit. current to 5.00 pu is 3.000 pu. 0.075 pu. 0.200 pu. 0.125 pu. 3.000 pu. 0.075 pu. 0.200 pu. 0.125 pu. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which one of following fuels is used by slow thermal nuclear reaction for power generation U238. Pu239. Th232. U235. U238. Pu239. Th232. U235. 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 7.25 pu 3.75 pu 2.5 pu 4.28 pu 7.25 pu 3.75 pu 2.5 pu 4.28 pu ANSWER DOWNLOAD EXAMIANS APP
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