Power Systems Which of the following faults is/are treated as external faults? Failure of prime mover of the generator Failure of excitation All of these Over voltage Failure of prime mover of the generator Failure of excitation All of these Over voltage ANSWER DOWNLOAD EXAMIANS APP
Power Systems A diesel power plant is generally used as a/an Peak loads. Base load. Any of above. Standby/emergency plant. Peak loads. Base load. Any of above. Standby/emergency plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 200 MVA alternator operated at no load at frequency of 50 Hz, it has inertia constant of 5 MWsec/MVA and governing system has a time delay of 0.6 sec. If the load of 50 MW is suddenly applied then find the frequency deviation during this time? -0.76 Hz 0.85 Hz -0.85 Hz 0.76 Hz -0.76 Hz 0.85 Hz -0.85 Hz 0.76 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays is/are unit protection relays? both 1 and 2 Buccholz relays Differential relays over current relays both 1 and 2 Buccholz relays Differential relays over current relays ANSWER DOWNLOAD EXAMIANS APP
Power Systems For harnessing low variable water heads, the suitable hydraulic turbine with reaction and adjustable vanes is Impeller. Francis. Kaplan. Pelton. Impeller. Francis. Kaplan. Pelton. 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 MHz 2.9 kHz 29 kHz 290 kHz 29 MHz 2.9 kHz 29 kHz ANSWER DOWNLOAD EXAMIANS APP
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