Power Systems A 3 - Φ, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 s. The symmetrical breaking current is 104.8 kA. 35 kA. 1200 A. 3600 A. 104.8 kA. 35 kA. 1200 A. 3600 A. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A coal fired steam power station working at a plant factor of 80% has one 500 MW generating unit. If the heat content of coal is 2 kWh/kg, the overall plant efficiency is 40% and a train load of coal is 2000 metric tons, then the number of trains required daily for the plant is 2 16 6 10 2 16 6 10 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line is operating under no load has ABCD parameters B = 100∠90° has a phase shift of 0.2 rad, how much shunt reactor is required for compensation of ferranti effect? 15.9 H 2 H 2 mH 15.9 mH 15.9 H 2 H 2 mH 15.9 mH ANSWER DOWNLOAD EXAMIANS APP
Power Systems The rating of fuse wire is always expressed in amperes. ampere-volts. ampere-hours. kWh. amperes. ampere-volts. ampere-hours. kWh. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The most suitable circuit breaker for short line fault without switching resistor is none of these. air blast circuit breaker. SF6 breaker. oil circuit breaker. none of these. air blast circuit breaker. SF6 breaker. oil circuit breaker. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The corona loss on a particular system at 50 Hz is 1 kW/km per phase. What is the corona loss at 60 Hz in kW/km per phase? 1.25 0.89 1.13 1 1.25 0.89 1.13 1 ANSWER DOWNLOAD EXAMIANS APP
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