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 0.025 mH/Km 0 mH/Km 0.05 mH/Km 0.1 mH/Km 0.025 mH/Km 0 mH/Km 0.05 mH/Km 0.1 mH/Km ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the desirable properties of a insulator material? Both 1 and 2 Low ratio of puncture strength to flash over. High ratio of puncture strength to flash over. High relative permittivity Both 1 and 2 Low ratio of puncture strength to flash over. High ratio of puncture strength to flash over. High relative permittivity ANSWER DOWNLOAD EXAMIANS APP
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 The most suitable circuit breaker for short line fault without switching resistor is oil circuit breaker. air blast circuit breaker. SF6 breaker. none of these. oil circuit breaker. air blast circuit breaker. SF6 breaker. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power planets is the least reliable Tidal. Wind. Solar. Geothermal. Tidal. Wind. Solar. Geothermal. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum efficiency of modern coal fired steam raising thermal power plants is restricted to about 035 (a low value), mainly because of low steam turbine mechanical efficiency. high energy loss in boiler. low alternative efficiency. high energy loss from turbine exhaust to condenser. low steam turbine mechanical efficiency. high energy loss in boiler. low alternative efficiency. high energy loss from turbine exhaust to condenser. ANSWER DOWNLOAD EXAMIANS APP
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