Power Systems What is the approximate efficiency of a normal thermal power station? 20-25% 45-55% 30-40% 60-70% 20-25% 45-55% 30-40% 60-70% ANSWER DOWNLOAD EXAMIANS APP
Power Systems In an induction relay for a particular current setting the operating time 4 sec. When the time multiplier setting is 0.8 if the time multiplier setting is rest to 1 the operating time is 10. 1. 5. un changed. 10. 1. 5. un changed. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The shape of the disc of an induction disc relay is circular. spiral. elliptical. none of these. circular. spiral. elliptical. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Three generators rated 100 MVA, 11 kV have an impedance of 0.15 pu each. If in the same plant, these generators are being replaced by a single equivalent generator, the effective impedance of equivalent generator will be 0.15 pu 0.45 pu 0.25 pu 0.05 pu 0.15 pu 0.45 pu 0.25 pu 0.05 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of reflector is to bounce back most of the neutrons that escape from the fuel core. stop the chain reaction. reduce the speed of the neutrons. none of above. bounce back most of the neutrons that escape from the fuel core. stop the chain reaction. reduce the speed of the neutrons. none of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For flat voltage profile system, voltage regulation is 0% 100% any of the above 50% 0% 100% any of the above 50% ANSWER DOWNLOAD EXAMIANS APP
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