Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, the symmetrical breaking capacity is 2000 MVA, 3 secs. Then the making capacity is 5000 MVA. 5100 MVA. 5500 MVA. 5200 MVA. 5000 MVA. 5100 MVA. 5500 MVA. 5200 MVA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Tidal power plant is a example of which of the following plant? either 1 or 2 peak load plant base load plant None of these either 1 or 2 peak load plant base load plant None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulator thickness on the conductor, in cables depends upon voltage reactive power current power factor voltage reactive power current power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems If L and C are 4 mH and 0.0001 μF respectively a current chop of magnitude 50 Amp would induced a voltage 100 kV. 50 kV. 400 kV. 200 kV. 100 kV. 50 kV. 400 kV. 200 kV. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 3-phase, 5 kV, 5 MVA system, what is the base impedance? 0.5 ohm 5 ohms 500 ohms 50 ohms 0.5 ohm 5 ohms 500 ohms 50 ohms ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage and current instantaneous values are given as 5 sin (ωt + 30°) pu and 2 sin (ωt - 15°) pu respectively. Find the per unit active power? 5.353 pu 7 pu 3.535 pu 5 pu 5.353 pu 7 pu 3.535 pu 5 pu ANSWER DOWNLOAD EXAMIANS APP
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