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? 0.6, 0.6 and 1.2 pu 0.8, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.8, 0.8 and 1.2 pu 0.6, 0.6 and 1.2 pu 0.8, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.8, 0.8 and 1.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Oxide film arrestor has which of the following properties? Does not require daily charging. Installed at points of transmission line where daily visit is difficult. It is expensive. Both A and B. Does not require daily charging. Installed at points of transmission line where daily visit is difficult. It is expensive. Both A and B. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following material is not used as fuse element? Silver. Aluminium. Copper. Carbon. Silver. Aluminium. Copper. Carbon. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the desirable properties of a insulator material? High relative permittivity High ratio of puncture strength to flash over. Both 1 and 2 Low ratio of puncture strength to flash over. High relative permittivity High ratio of puncture strength to flash over. Both 1 and 2 Low ratio of puncture strength to flash over. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantage/s of per unit system as compare to absolute system? memory required is less calculation time is less All of these only one equation is required memory required is less calculation time is less All of these only one equation is required ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a reactance of 1 Pu is operating at Vs = Vr = 1 Pu. The generator is connected at source end which is delivering 0.5 Pu of active power. Find the load angle? 30° 35° 45° 60° 30° 35° 45° 60° ANSWER DOWNLOAD EXAMIANS APP
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