Power Systems Generation of of one watt needs about ______________ fission per second 3.1 × 107. 3.1 × 1010. 3.1. 3.1 × 106. 3.1 × 107. 3.1 × 1010. 3.1. 3.1 × 106. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has a rating of 10 MVA, 5 kV has a reactance of 0.02 pu. Find the reactance at a new base values of 50 MVA, 10 kV? 0.25 0.02 0.05 0.025 0.25 0.02 0.05 0.025 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has reactances of sub transient (X")= 0.5 pu, transient (X') = 0.8 pu and synchronous reactance (X) = 5 pu. The voltages at these reactances are 1.2 V, 1.1 V and 1 V respectively. Find the corresponding sub transient fault current in pu? 2.4 pu 0.2 pu 3.975 pu 1.375 pu 2.4 pu 0.2 pu 3.975 pu 1.375 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The use of high speed circuit breakers decrease system stability. reduces the short circuit current. improves system stability. increased the short circuit current. decrease system stability. reduces the short circuit current. improves system stability. increased the short circuit current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where air circuit breakers are used? Up to 66 kV. Up to 12 kV. Up to 33 kV. Up to 11 kV. Up to 66 kV. Up to 12 kV. Up to 33 kV. Up to 11 kV. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Switchgear equipment include fuses. switches. all of these. relays and CB. fuses. switches. all of these. relays and CB. ANSWER DOWNLOAD EXAMIANS APP
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