Power Systems Which of the following circuit breakers produce least arc energy? Minimum oil CB. Air break CB. Air blast CB. Plain oil CB. Minimum oil CB. Air break CB. Air blast CB. Plain oil CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which device is used for protection of equipment from from damage caused by overload or short circuit? lightning arrester CVT circuit breaker current transformer lightning arrester CVT circuit breaker current transformer ANSWER DOWNLOAD EXAMIANS APP
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 0.92 -0.56 -0.92 0.56 0.92 -0.56 -0.92 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of diversity factor is less than 1 1 greater than 1 0 less than 1 1 greater than 1 0 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Peak load power plants is/are both 1 and 2 pumped storage plant nuclear plants diesel plant both 1 and 2 pumped storage plant nuclear plants diesel plant ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal power station needs space less than that required by a gas turbine power plant of same output. less than that required by the diesel power station of same output. less than that required by hydro-power station of same capacity. less than that required by atomic power station of the same output. less than that required by a gas turbine power plant of same output. less than that required by the diesel power station of same output. less than that required by hydro-power station of same capacity. less than that required by atomic power station of the same output. ANSWER DOWNLOAD EXAMIANS APP
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