Power Systems Lightning arresters are made up of which material? silicon oxide copper silver any of the above silicon oxide copper silver any of the above 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? 28.28 kV 30.28 kV 31.28 kV 29.28 kV 28.28 kV 30.28 kV 31.28 kV 29.28 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which cooling is preferred for large turbine generator Hydrogen cooling. Oxygen cooling. None of these. Nitrogen cooling. Hydrogen cooling. Oxygen cooling. None of these. Nitrogen cooling. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line has its conductors at the corners of an equilateral triangle with side 3m. The diameter of each conductor is 1.63 cm. The inductance of the line per phase per km is 1.182 mH 1.043 mH 1.232 mH 1.093 mH 1.182 mH 1.043 mH 1.232 mH 1.093 mH ANSWER DOWNLOAD EXAMIANS APP
Power Systems How much KWh energy is produced by fission of 1 gm of uranium U235 240 kWh. 24000 kWh. 24 kWh. 2400 kWh. 240 kWh. 24000 kWh. 24 kWh. 2400 kWh. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero voltage regulation is possible only for All of these leading power factor lagging power factor unity power factor All of these leading power factor lagging power factor unity power factor ANSWER DOWNLOAD EXAMIANS APP
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