Power Systems The use of high speed circuit breakers increased the short circuit current. reduces the short circuit current. decrease system stability. improves system stability. increased the short circuit current. reduces the short circuit current. decrease system stability. improves system stability. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ratio of reset to pick up current for an induction cup relay is approximately 1.35. 0.99. 1.0. 0.75. 1.35. 0.99. 1.0. 0.75. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pipes carrying steam are generally of cast iron. steel. aluminium. cobalt. cast iron. steel. aluminium. cobalt. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the percentage reactance of an element is 20 % and the full load current is 50 Amp, the short circuit current will be 350 Amp. 250 Amp. 200 Amp. 300 Amp. 350 Amp. 250 Amp. 200 Amp. 300 Amp. 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? 30.28 kV 28.28 kV 29.28 kV 31.28 kV 30.28 kV 28.28 kV 29.28 kV 31.28 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Corona is accompanied by All of these power loss and interference hissing sound violet visible light All of these power loss and interference hissing sound violet visible light ANSWER DOWNLOAD EXAMIANS APP
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