Power Systems Where air circuit breakers are used? Up to 33 kV. Up to 66 kV. Up to 12 kV. Up to 11 kV. Up to 33 kV. Up to 66 kV. Up to 12 kV. Up to 11 kV. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For loss less line, find the ratio of length to the wave length of a signal for a phase shift of 0.05 radians? 8 × 10³ 7.95 × 10³ 7.95 × 10-3 2 × 10-3 8 × 10³ 7.95 × 10³ 7.95 × 10-3 2 × 10-3 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? 2.9 kHz 29 kHz 29 MHz 290 kHz 2.9 kHz 29 kHz 29 MHz 290 kHz ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reactance relays are used for the protection of short transmission lines only long transmission lines only All of these medium transmission lines only short transmission lines only long transmission lines only All of these medium transmission lines only ANSWER DOWNLOAD EXAMIANS APP
Power Systems What type of back up protection is used for alternators? Mho relay. IDMT relay. Buchholz relay. Impedance relay. Mho relay. IDMT relay. Buchholz relay. Impedance relay. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The 1st nuclear plant in world was commissioned in U.S.A. U.S.S.R. UAE. U.K. U.S.A. U.S.S.R. UAE. U.K. ANSWER DOWNLOAD EXAMIANS APP
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