Power Systems A thermal generating station has an installed capacity of 15 MW and supplies a daily load of 10 MW for 12 hours and 5 MW for remaining 12 hours. If the load factor is 0.8. Find the reserve capacity of the station? 18 MW 5 MW 9 MW 10 MW 18 MW 5 MW 9 MW 10 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems The use of high speed circuit breakers 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. decrease system stability. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of reflector is to bounce back most of the neutrons that escape from the fuel core. reduce the speed of the neutrons. none of above. stop the chain reaction. bounce back most of the neutrons that escape from the fuel core. reduce the speed of the neutrons. none of above. stop the chain reaction. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A Pelton wheel turbine having a rated speed of 300 rpm is connected to an alternator to produce power at 50 Hz. The number of poles required in the alternator is 4 20 8 10 4 20 8 10 ANSWER DOWNLOAD EXAMIANS APP
Power Systems One fission of U235 releases energy of 525 MeV. 435 MeV. 335 MeV. 200 MeV. 525 MeV. 435 MeV. 335 MeV. 200 MeV. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 200 MVA alternator operated at no load at frequency of 50 Hz, it has inertia constant of 5 MWsec/MVA and governing system has a time delay of 0.6 sec. If the load of 50 MW is suddenly applied then find the frequency deviation during this time? 0.85 Hz 0.76 Hz -0.76 Hz -0.85 Hz 0.85 Hz 0.76 Hz -0.76 Hz -0.85 Hz ANSWER DOWNLOAD EXAMIANS APP
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