Power Systems Transmission lines are transposed to reduce skin effect ferranti effect interference with neighbouring communication lines proximity effect skin effect ferranti effect interference with neighbouring communication lines proximity effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems Condition for zero voltage regulation is cosφ = X/R cosφ = R/X tanφ = R/X tanφ = X/R cosφ = X/R cosφ = R/X tanφ = R/X tanφ = X/R ANSWER DOWNLOAD EXAMIANS APP
Power Systems The surge impedance of a 400 km long overhead transmission line is 420 Ω. For a 200 km length of the same line, the surge impedance will be 420 Ω 840 Ω 210 Ω 400 Ω 420 Ω 840 Ω 210 Ω 400 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Normally Z bus matrix is a unit matrix null matrix sparse matrix full matrix unit matrix null matrix sparse matrix full matrix ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power generating station has a maximum demand of 1000 MW. The annual load factor is 75% and plant capacity factor is 60%. Calculate the reserve capacity? 750 MW 250 MW 500 MW 1250 MW 750 MW 250 MW 500 MW 1250 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems In Rankine cycle, the work output from a turbine is given by change in temperature between inlet and outlet. change of entropy between inlet and outlet. change in internal energy between inlet and outlet. change of enthalpy between inlet and outlet. change in temperature between inlet and outlet. change of entropy between inlet and outlet. change in internal energy between inlet and outlet. change of enthalpy between inlet and outlet. ANSWER DOWNLOAD EXAMIANS APP
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