Power Systems Surge impedance loading of a 3-phase, 400 kV transmission line is 400 Ω. The surge impedance loading is 400 MW 1600 MW 800 MW 200 MW 400 MW 1600 MW 800 MW 200 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a thermal power plant, which of its following components needs maximum maintenance attention Super heater. Condenser. Boiler. Steam turbine. Super heater. Condenser. Boiler. Steam turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The unit protection scheme provides remote protection. simultaneous protection. back up protection. primary protection. remote protection. simultaneous protection. back up protection. primary protection. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The surge impedance of a 400 km long overhead transmission line is 420 Ω. For a 200 km length of the same line, the surge impedance will be 400 Ω 840 Ω 210 Ω 420 Ω 400 Ω 840 Ω 210 Ω 420 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems The SWR on a lossless transmission line of the characteristic impedance 100 ohm is 3. The line is the terminated by A resistance of 100 ohm. A resistance of j300 ohm. A resistance of j100/3 ohm. A resistance of 100/3 ohm. A resistance of 100 ohm. A resistance of j300 ohm. A resistance of j100/3 ohm. A resistance of 100/3 ohm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems To prevent maloperation of deferentially connected relay while energizing a transformer, the relay restraining coil is biased with 5th harmonic current. 2nd harmonic current. 7th harmonic current. 3rd harmonic current. 5th harmonic current. 2nd harmonic current. 7th harmonic current. 3rd harmonic current. ANSWER DOWNLOAD EXAMIANS APP
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