Power Systems The voltage regulation of a line at full load 0.8 power factor is 11. A long transmission line under no load conditions, for a good voltage profile needs shunt reactor at receiving end All of these shunt capacitor at receiving end shunt resistance at receiving end shunt reactor at receiving end All of these shunt capacitor at receiving end shunt resistance at receiving end ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive (Z1), negative (Z2) and zero sequence (Z0) impedances of a transmission line follows the relation any of the above Z1 = Z2 = Z0 (Z1 = Z2) < Z0 (Z1 = Z2) > Z0 any of the above Z1 = Z2 = Z0 (Z1 = Z2) < Z0 (Z1 = Z2) > Z0 ANSWER DOWNLOAD EXAMIANS APP
Power Systems If in a line, resistance and reactance are found to be equal and regulation is zero, then load will have unity power factor 0.707 leading power factor zero power factor 0.707 lagging power factor unity power factor 0.707 leading power factor zero power factor 0.707 lagging power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a line is increased by which of the following compensation methods? both 1 and 2 shunt capacitor series capacitor shunt reactor both 1 and 2 shunt capacitor series capacitor shunt reactor ANSWER DOWNLOAD EXAMIANS APP
Power Systems On what factors does the selection of a water turbine depend All of above. Speed. Working head. Nature of load. All of above. Speed. Working head. Nature of load. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical visual voltage is the voltage at which corona is just initiated None of these both 1 and 2 corona is visible with blue or violet colour corona is just initiated None of these both 1 and 2 corona is visible with blue or violet colour ANSWER DOWNLOAD EXAMIANS APP