Power Systems If the frequency is increased, then skin effect will increases any of the above remains unaffected decreases increases any of the above remains unaffected decreases ANSWER DOWNLOAD EXAMIANS APP
Power Systems On what factors does the selection of a water turbine depend Working head. All of above. Speed. Nature of load. Working head. All of above. Speed. Nature of load. 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? 29 kHz 2.9 kHz 290 kHz 29 MHz 29 kHz 2.9 kHz 290 kHz 29 MHz ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of moderator in a nuclear reactor is to increase the energy of the neutrons. to absorb the excess. to slow down the neutrons. All of these to increase the energy of the neutrons. to absorb the excess. to slow down the neutrons. All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems For a 500 Hz frequency excitation, a 100 km long power line will be modelled as shunt capacitor long transmission line medium transmission line any of the above shunt capacitor long transmission line medium transmission line any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has self and mutual impedances of 0.8 pu and 0.2 pu. Find the positive, negative and zero sequence impedances respectively? 0.6, 0.8 and 1.2 pu 0.8, 0.6 and 1.2 pu 0.8, 0.8 and 1.2 pu 0.6, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.8, 0.6 and 1.2 pu 0.8, 0.8 and 1.2 pu 0.6, 0.6 and 1.2 pu ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS