Power Systems Where the voltage is high and current to be interrupted is low, Which of following the breaker is preferable? Any of these. Vacuum CB. Oil CB. Air blast CB. Any of these. Vacuum CB. Oil CB. Air blast CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a short circuit test circuit breaker, time to reach the peak re-striking voltage 60 microsecond & the peak re-striking voltage 120 kV. Determine average RRRV (Rate of rise re-striking voltage)? 2 × 106 kV / sec. 3 × 106 kV / sec. 3.5 × 106 kV / sec. 1 × 106 kV / sec. 2 × 106 kV / sec. 3 × 106 kV / sec. 3.5 × 106 kV / sec. 1 × 106 kV / sec. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For 800 MJ stored energy in the rotor at synchronous speed, what is the inertia constant H for a 50 Hz, four pole turbo generator rated 100 MVA, 11 kV? 2 MJ/MVA 6 MJ/MVA 4 MJ/MVA 8 MJ/MVA 2 MJ/MVA 6 MJ/MVA 4 MJ/MVA 8 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Breaking current is a ------------------ value? average RMS maximum any of the above average RMS maximum any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Merze price current scheme protection is used in both A and B. bus bars. transformer. alternator. both A and B. bus bars. transformer. alternator. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Keeping in view the cost and overall effectiveness, the following circuit breaker is suited for capacitor bank switching air blast. SF6. vacuum. oil. air blast. SF6. vacuum. oil. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS