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? 29 MHz 2.9 kHz 29 kHz 290 kHz 29 MHz 2.9 kHz 29 kHz 290 kHz ANSWER DOWNLOAD EXAMIANS APP
Power Systems Percentage of carbon is highest in lignite coal. coal gas. bituminous coal. anthracite coal. lignite coal. coal gas. bituminous coal. anthracite coal. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading can be increased by increasing of capacitance value increasing of inductance value both 1 and 2 increasing of voltage level increasing of capacitance value increasing of inductance value both 1 and 2 increasing of voltage level ANSWER DOWNLOAD EXAMIANS APP
Power Systems Buchholz relay is used for protection of alternator. none of these. transformer. bus bar. alternator. none of these. transformer. bus bar. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the function of economiser in steam boilers All of these improving thermal efficiency cooling collect ash particals All of these improving thermal efficiency cooling collect ash particals ANSWER DOWNLOAD EXAMIANS APP
Power Systems For symmetrical network, the neutral current is maximum any of the above infinity zero maximum any of the above infinity zero ANSWER DOWNLOAD EXAMIANS APP