Power Systems Zero sequence currents can flow from a line into a transformer bank if the windings are in delta / star. delta / delta. star / grounded star. ground star / delta. delta / star. delta / delta. star / grounded star. ground star / delta. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum power transfer capability of transmission line can be increased by All of these Using bundled conductors Parallel transmission lines Using series capacitance All of these Using bundled conductors Parallel transmission lines Using series capacitance ANSWER DOWNLOAD EXAMIANS APP
Power Systems Asynchronous tie line is a DC transmission line AC transmission line either 1 or 2 None of these DC transmission line AC transmission line either 1 or 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has self and mutual impedances of 0.8 pu and 0.2 pu. Find the positive, negative and zero sequence impedances respectively? 0.8, 0.8 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 1.2 pu 0.8, 0.6 and 1.2 pu 0.8, 0.8 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 1.2 pu 0.8, 0.6 and 1.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The draft tube is provided to reduce the effect of water hammer. increase the acting head on the water wheel. raise the water surface of the stream to create an artificial head. None of these reduce the effect of water hammer. increase the acting head on the water wheel. raise the water surface of the stream to create an artificial head. None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems If a generator of 250 MVA rating has an inertia constant of 6 MJ/MVA, its inertia constant on 100 MVA base is 2.5 MJ/MVA 6 MJ/MVA 10.5 MJ/MVA 15 MJ/MVA 2.5 MJ/MVA 6 MJ/MVA 10.5 MJ/MVA 15 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
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