Power Systems A 3-phase breaker is rated at 2000 MVA, 33 kV, its making current will be 70 kVA. 49 kVA. 35 kVA. 89.22 kVA. 70 kVA. 49 kVA. 35 kVA. 89.22 kVA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Tidal power plant is a example of which of the following plant? peak load plant either 1 or 2 base load plant None of these peak load plant either 1 or 2 base load plant None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A cable has the following characteristics, L = 0.201 µH/m and C = 196.2 pF/m. The velocity of wave propagation through cable is 32 m/s 159.24 m/µs 159.24 m/s 0.0312 m/s 32 m/s 159.24 m/µs 159.24 m/s 0.0312 m/s ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 50 Hz, 17.32 kV generator is connected to a power system. The system reactance and capacitance per phase are 10 mH and 0.2 mF respectively. What is the maximum voltage across the contacts of the circuit breaker at an instant when it passes through zero? 31.28 kV 30.28 kV 28.28 kV 29.28 kV 31.28 kV 30.28 kV 28.28 kV 29.28 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero sequence currents can flow from a line into a transformer bank if the windings are in star / grounded star. ground star / delta. delta / star. delta / delta. star / grounded star. ground star / delta. delta / star. delta / delta. 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 2.9 kHz 29 MHz 29 kHz 290 kHz 2.9 kHz 29 MHz 29 kHz ANSWER DOWNLOAD EXAMIANS APP
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