Power Systems Power transmission lines are transposed to reduce ferranti effect proximity effect radio interference skin effect ferranti effect proximity effect radio interference skin effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems Gross head of an hydroelectric power station is all of above. the height of water level in the river where the storage is provided. the height of water level in the river where the tail race is provided. the difference of water level between the level in storage and tail race. all of above. the height of water level in the river where the storage is provided. the height of water level in the river where the tail race is provided. the difference of water level between the level in storage and tail race. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the reflected voltage? -18.18 kV 18.18 kV -81.82 kV 81.82 kV -18.18 kV 18.18 kV -81.82 kV 81.82 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems The total number of strands(N) is concentrically stranded cable with total annular space filled with strands of uniform diameter is given by (if x is number of layers) N = 3x²+3x+1 N = 3x²-2x+1 N = 3x²-3x+1 N = 3x²-6x+1 N = 3x²+3x+1 N = 3x²-2x+1 N = 3x²-3x+1 N = 3x²-6x+1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Deflectors are provided in Kaplan turbine. propeller turbine. Francis turbine. Pelton wheel. Kaplan turbine. propeller turbine. Francis turbine. Pelton wheel. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum power transfer capability of transmission line can be increased by All of these Using series capacitance Parallel transmission lines Using bundled conductors All of these Using series capacitance Parallel transmission lines Using bundled conductors ANSWER DOWNLOAD EXAMIANS APP