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. 1 × 106 kV / sec. 3.5 × 106 kV / sec. 3 × 106 kV / sec. 2 × 106 kV / sec. 1 × 106 kV / sec. 3.5 × 106 kV / sec. 3 × 106 kV / sec. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The angular moment of 10 MVA generator is 0.2. Find the new value of angular moment for 20 MVA base? 0.1 pu 0.4 pu 0.25 pu 0.2 pu 0.1 pu 0.4 pu 0.25 pu 0.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The average thermal efficiency of a modern nuclear power plant is about 40 %. 80 %. 60 %. 30 %. 40 %. 80 %. 60 %. 30 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In boiler water reactor (BWR) the feed water acts both coolant and a moderator. all of above. there is danger of radioactive contamination of steam. enriched uranium is used as fuel. the feed water acts both coolant and a moderator. all of above. there is danger of radioactive contamination of steam. enriched uranium is used as fuel. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speed ( NS ) of turbine is given by P√( N ) / H3/2. N√( P ) / H2/3. N√( P ) / H1.25. none of these. P√( N ) / H3/2. N√( P ) / H2/3. N√( P ) / H1.25. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reflector of a nuclear reactor are made up of boron. beryllium. cast iron. steel. boron. beryllium. cast iron. steel. ANSWER DOWNLOAD EXAMIANS APP
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