Power Systems For some given transmission line the expression for voltage regulation is given by (Vs - Vr)/Vr *100%. Hence, this must be a short line this may either be a medium line or short line None of these this expression is true for any line this must be a short line this may either be a medium line or short line None of these this expression is true for any line ANSWER DOWNLOAD EXAMIANS APP
Power Systems In case of failure of prime mover of the generator, which type of relay is used? reverse power relay impedance relay distance relays offset mho relay reverse power relay impedance relay distance relays offset mho relay ANSWER DOWNLOAD EXAMIANS APP
Power Systems Buchholz relay is used for protection of none of these. transformer. alternator. bus bar. none of these. transformer. alternator. bus bar. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reflector of a nuclear reactor are made up of boron. beryllium. steel. cast iron. boron. beryllium. steel. cast iron. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Efficiency of thermal power plant can be taken as efficiency of thermal cycle. turbine efficiency. product of efficiencies of all stages. generator efficiency. efficiency of thermal cycle. turbine efficiency. product of efficiencies of all stages. generator efficiency. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm cosωt? 9.68 1.47 msec 4.68 msec 2.63 msec 9.68 1.47 msec 4.68 msec 2.63 msec ANSWER DOWNLOAD EXAMIANS APP
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