Power Systems Lightning arresters are used to protect electrical equipment against direct strokes of lightning. over currents due to lightning stroke. over voltages due to indirect lightning stroke. power frequency of over voltages. direct strokes of lightning. over currents due to lightning stroke. over voltages due to indirect lightning stroke. power frequency of over voltages. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Sum of the elements of row i equal to shunt admittances connected to bus i. If this summation is zero, indicates there is no shunt admittance both 1 and 2 None of these mutual coupling shunt admittance both 1 and 2 None of these mutual coupling ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which power plant, the thermal efficiency is quite low Steam power plant. Diesel power plant. Nuclear power plant. Hydro power plant. Steam power plant. Diesel power plant. Nuclear power plant. Hydro power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is 55 kA. 35 kA. 50 kA. 45 kA. 55 kA. 35 kA. 50 kA. 45 kA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a steam power plant, the feed water coming to the economizer is heated plant the feed water coming to the economizer is heated using flue gas. direct heat in the furnace. LP steam. HP steam. flue gas. direct heat in the furnace. LP steam. HP steam. ANSWER DOWNLOAD EXAMIANS APP
Power Systems On which one of the following cycles does a modern steam power plat work Carnot cycle. Bell - Coleman cycle. Otto cycle. Rankine cycle. Carnot cycle. Bell - Coleman cycle. Otto cycle. Rankine cycle. ANSWER DOWNLOAD EXAMIANS APP
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