Power Systems Consider a long, two wire line composed of solid round conductors. The radius of both conductors is 0.25 cm and distance between their centers is 100 cm. If this distance is doubled, then the inductance per unit length. Increase but does not doubled. Decrease but does not halves. Halves. Doubled. Increase but does not doubled. Decrease but does not halves. Halves. Doubled. 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 = 3x²-2x+1 N = 3x²-3x+1 N = 3x²+3x+1 N = 3x²-6x+1 N = 3x²-2x+1 N = 3x²-3x+1 N = 3x²+3x+1 N = 3x²-6x+1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum power transfer capability of transmission line can be increased by Parallel transmission lines Using series capacitance Using bundled conductors All of these Parallel transmission lines Using series capacitance Using bundled conductors All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The average thermal efficiency of a modern nuclear power plant is about 80 %. 60 %. 40 %. 30 %. 80 %. 60 %. 40 %. 30 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero voltage regulation is possible only for leading power factor unity power factor All of these lagging power factor leading power factor unity power factor All of these lagging power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a thermal power plants, pressure in the working fluid cycle is developed by feed water pump. superheater. turbine. condenser. feed water pump. superheater. turbine. condenser. ANSWER DOWNLOAD EXAMIANS APP