Power Systems Communications lines are treated as medium transmission lines short transmission lines any of the above long transmission lines medium transmission lines short transmission lines any of the above long transmission lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems One fission of U235 releases energy of 435 MeV. 335 MeV. 200 MeV. 525 MeV. 435 MeV. 335 MeV. 200 MeV. 525 MeV. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 50 Hz, 17.32 kV generator is connected to a power system. The system reactance and capacitance per phase are 10 mH and 0.2 mF respectively. What is the maximum voltage across the contacts of the circuit breaker at an instant when it passes through zero? 29.28 kV 30.28 kV 28.28 kV 31.28 kV 29.28 kV 30.28 kV 28.28 kV 31.28 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems The neutral of 10 MVA, 11 kV alternator is earthed through a resistance of 5 ohms. The fault ready is set to operate at 0.75 A. The current transformers have a ratio of 1000/5. What is the percentage of the alternator winding is protected? 85% 88.2% 11.8% 15% 85% 88.2% 11.8% 15% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following buses is/are not PV buses? reactive power support buses both 1 and 2 fixed shunt capacitor buses voltage control buses reactive power support buses both 1 and 2 fixed shunt capacitor buses voltage control buses ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has (2 + j4)Ω impedance, 100 MVA and base voltage is 10 KV. Find the per unit impedance value of transmission line? (0.5 + j1 ) pu (2 + j4 ) pu (1 + j2 ) pu (4 + j8 ) pu (0.5 + j1 ) pu (2 + j4 ) pu (1 + j2 ) pu (4 + j8 ) pu ANSWER DOWNLOAD EXAMIANS APP
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