Power Systems The insulation resistance of the 20 km long underground cable is 8 MΩ. Other things being same, the insulation resistance of 10 km long cable will be 32 MΩ 8 MΩ 16 MΩ 4 MΩ 32 MΩ 8 MΩ 16 MΩ 4 MΩ ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 4 bus,4×4 Y bus matrix the number of non zero elements are 12. Find the number of transmission lines? 5 2 4 8 5 2 4 8 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠90° Ω, C = 0.5*10^-6∠90° ℧. Find the shunt reactor required for compensating ferranti effect? 2000 Ω 1500 Ω 500 Ω 3000 Ω 2000 Ω 1500 Ω 500 Ω 3000 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems A cable has the following characteristics, L = 0.201 µH/m and C = 196.2 pF/m. The velocity of wave propagation through cable is 159.24 m/µs 0.0312 m/s 159.24 m/s 32 m/s 159.24 m/µs 0.0312 m/s 159.24 m/s 32 m/s ANSWER DOWNLOAD EXAMIANS APP
Power Systems Direct conversion of heat energy into electrical energy is possible through Both A and C. Thermal converters. Fuel or solar cell. MHD generator. Both A and C. Thermal converters. Fuel or solar cell. MHD generator. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The overall efficiency of a steam power plant equal to binary vapor cycle. product of boiler efficiency, turbine efficiency and generator efficiency. regenerative cycle. the Rankine cycle. binary vapor cycle. product of boiler efficiency, turbine efficiency and generator efficiency. regenerative cycle. the Rankine cycle. ANSWER DOWNLOAD EXAMIANS APP
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