Power Systems Corona is accompanied by power loss and interference hissing sound violet visible light All of these power loss and interference hissing sound violet visible light All of these 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 28.28 kV 30.28 kV 31.28 kV 29.28 kV 28.28 kV 30.28 kV 31.28 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 25 MVA, 11 kV alternator is supplying full load at a point of 0.75 lagging. Determine the percentage increase in earning capacity when it is operated at improved power factor of 0.96 lagging. None of above 14 %. 28 %. 56 %. None of above 14 %. 28 %. 56 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For 132 kV system, the reactance and capacitance up to the location of the CB is 3 Ω and 0.015 μF respectively. The maximum value of RRRV is 2.0 kV / μs. 10.01 kV / μs. 9.01 kV / μs. 12.2 kV / μs. 2.0 kV / μs. 10.01 kV / μs. 9.01 kV / μs. 12.2 kV / μs. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The rate of rise of restricting voltage depends upon the Inductance of the system. Inductance and capacitance of the system. Capacitance of the system. Type of CB. Inductance of the system. Inductance and capacitance of the system. Capacitance of the system. Type of CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Operating cost of thermal power station is less than that of diesel power plant. less than that of nuclear power plant. less than that of hydroelectric power plant. is the same as that of nuclear power plant. less than that of diesel power plant. less than that of nuclear power plant. less than that of hydroelectric power plant. is the same as that of nuclear power plant. ANSWER DOWNLOAD EXAMIANS APP
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