Power Systems A 100 MVA alternator operating at full load at 50 Hz. H = 4 MWsec/MVA, Td = 0.5 sec. One of the transmission line is tripped. So that output of generator is reduced to 70 MW. Find the frequency deviation during this time? -0.56 0.56 0.92 -0.92 -0.56 0.56 0.92 -0.92 ANSWER DOWNLOAD EXAMIANS APP
Power Systems If skin depth is more, then skin effect is either 1 or 2 more less None of these either 1 or 2 more less None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal protection switch is used to provide protection against temperature. over voltage. short circuit. overload. temperature. over voltage. short circuit. overload. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Tidal power plant is a example of which of the following plant? either 1 or 2 None of these peak load plant base load plant either 1 or 2 None of these peak load plant base load plant ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power stations is mainly used to cover peak load on the system? coal based thermal power plant pumped storage hydro power plant nuclear plant gas based thermal power plant coal based thermal power plant pumped storage hydro power plant nuclear plant gas based thermal power plant ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal protection relay provides protection against what? Over load any of the above Temperature Short circuit Over load any of the above Temperature Short circuit ANSWER DOWNLOAD EXAMIANS APP
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