Power Systems Zero sequence currents can flow from a line into a transformer bank if the windings are in delta / delta. delta / star. star / grounded star. ground star / delta. delta / delta. delta / star. star / grounded star. ground star / delta. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 10 MVA generator has reactance of 0.2 pu. Find the new reactance value for 50 MVA base? 0.25 pu 1 pu 5 pu 0.2 pu 0.25 pu 1 pu 5 pu 0.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 60 Hz, 320 Km loss less line has sending end voltage 1.0 pu. The receiving end voltage on no-load is none of these. 1.088 pu. 1.1 pu. 1.116 pu. none of these. 1.088 pu. 1.1 pu. 1.116 pu. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following circuit breakers produce least arc energy? Air break CB. Minimum oil CB. Plain oil CB. Air blast CB. Air break CB. Minimum oil CB. Plain oil CB. Air blast CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In an interconnected power system, the most suitable power plant to meet the peak load condition is pumped storage plant thermal plant nuclear plant hydro power plant pumped storage plant thermal plant nuclear plant hydro power plant ANSWER DOWNLOAD EXAMIANS APP
Power Systems An isolated synchronous generator with transient reactance equal to 0.1 pu on a 100 MVA base is connected to the high voltage bus through a step up transformer of reactance 0.1 pu on a 100 MVA base. The fault level at the bus is 100 MVA 500 MVA 200 MVA 400 MVA 100 MVA 500 MVA 200 MVA 400 MVA ANSWER DOWNLOAD EXAMIANS APP
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