Power Systems Which one of following is employed as a moderator by CANDU type of slow thermal nuclear reactors Heavy water. Water. Graphite. Beryllium. Heavy water. Water. Graphite. Beryllium. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Installation of capacitors at suitable locations and of optimum size in a distribution system results in improved voltage regulation All of these reduction of KVA rating of distribution transformers reduction in distribution power loss improved voltage regulation All of these reduction of KVA rating of distribution transformers reduction in distribution power loss 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 0.25 pu 0.4 pu 0.2 pu 0.1 pu 0.25 pu 0.4 pu 0.2 pu 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? 29 kHz 29 MHz 290 kHz 2.9 kHz 29 kHz 29 MHz 290 kHz 2.9 kHz ANSWER DOWNLOAD EXAMIANS APP
Power Systems If a fault occurs on any feeder, the fault current is none of these. equal to unsectional bus bar. much higher than with unsectional bus bar. much lower than with unsectional bus bar. none of these. equal to unsectional bus bar. much higher than with unsectional bus bar. much lower than with unsectional bus bar. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the approximate efficiency of a normal thermal power station? 30-40% 60-70% 45-55% 20-25% 30-40% 60-70% 45-55% 20-25% ANSWER DOWNLOAD EXAMIANS APP
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