Power Systems For a lossy transmission line, the characteristic impedance does not depend on The load terminating the line. The permittivity of the dielectric separating the conductor. The operating frequency of the line. The conductivity of conductors. The load terminating the line. The permittivity of the dielectric separating the conductor. The operating frequency of the line. The conductivity of conductors. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following power plants is free from environmental problem Steam. Hydroelectric. Diesel engine. Nuclear. Steam. Hydroelectric. Diesel engine. Nuclear. 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 31.28 kV 30.28 kV 29.28 kV 28.28 kV 31.28 kV 30.28 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the number of insulator discs required in string insulator, if operating voltage is 220 kV and maximum voltage of each disc is 11 kV? 10 13 20 21 10 13 20 21 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Gross head of an hydroelectric power station is all of above. the height of water level in the river where the storage is provided. the difference of water level between the level in storage and tail race. the height of water level in the river where the tail race is provided. all of above. the height of water level in the river where the storage is provided. the difference of water level between the level in storage and tail race. the height of water level in the river where the tail race is provided. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An ACSR conductor has a diameter of 2 cm has internal inductance of 0.05 mH/Km. If this ACSR is replaced with another having a diameter of 4 cm then its internal inductance is 0 mH/Km 0.025 mH/Km 0.05 mH/Km 0.1 mH/Km 0 mH/Km 0.025 mH/Km 0.05 mH/Km 0.1 mH/Km ANSWER DOWNLOAD EXAMIANS APP
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