Power Systems The charging reactance of 50 km transmission line is 1500 Ω. What is the charging reactance for 100 km length of line? 3000 Ω 1500 Ω 750 Ω 1000 Ω 3000 Ω 1500 Ω 750 Ω 1000 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems a 50 Hz, 3-phase synchronous generator has inductance per phase of 15 mH. The capacitance of the generator and circuit breaker is 0.002 µF. What is its natural frequency? 290 kHz 29 kHz 29 MHz 2.9 kHz 290 kHz 29 kHz 29 MHz 2.9 kHz ANSWER DOWNLOAD EXAMIANS APP
Power Systems The commercial sources of energy are wood, animal wastes and agricultural wastes. none of above. solar, wind, biomass. fossile fuels and radioactive substances. wood, animal wastes and agricultural wastes. none of above. solar, wind, biomass. fossile fuels and radioactive substances. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Hydro-graph is similar to both B and C. mass curve. energy load curve. load curve. both B and C. mass curve. energy load curve. load curve. ANSWER DOWNLOAD EXAMIANS APP
Power Systems MCB stands for molded circuit breaker. miniature circuit breaker. maximum capacity breaker. minimum capacity breaker. molded circuit breaker. miniature circuit breaker. maximum capacity breaker. minimum capacity breaker. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the desirable properties of a insulator material? High ratio of puncture strength to flash over. Both 1 and 2 High relative permittivity Low ratio of puncture strength to flash over. High ratio of puncture strength to flash over. Both 1 and 2 High relative permittivity Low ratio of puncture strength to flash over. ANSWER DOWNLOAD EXAMIANS APP
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