Power Systems The positive (Z1), negative (Z2) and zero sequence (Z0) impedances of a transmission line follows the relation Z1 = Z2 = Z0 any of the above (Z1 = Z2) > Z0 (Z1 = Z2) < Z0 Z1 = Z2 = Z0 any of the above (Z1 = Z2) > Z0 (Z1 = Z2) < Z0 ANSWER DOWNLOAD EXAMIANS APP
Power Systems If power P available from a hydroelectric plant is given by the formula P = 9.81QH, where Q is the flow rate through the turbine in l / s and H is the head in meters, then P will be unit of HP. kJ / S. kWh. W. HP. kJ / S. kWh. W. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ships are usually supplied power by None of above. Hydraulic turbine. Diesel engine. Steam accumulator. None of above. Hydraulic turbine. Diesel engine. Steam accumulator. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of inductance used for compensation of arcing grounds is 3ω²C 1/3ω²C 3/ω²C ω²C/3 3ω²C 1/3ω²C 3/ω²C ω²C/3 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Frequencies must be same in which of the following line to exchange the power from one place to other place ? both 1 and 2 Synchronous line No need of same frequency for exchange of power Asynchronous line both 1 and 2 Synchronous line No need of same frequency for exchange of power Asynchronous line ANSWER DOWNLOAD EXAMIANS APP
Power Systems The charging reactance of 50 km transmission line is 1500 Ω. What is the charging reactance for 100 km length of line? 1000 Ω 3000 Ω 1500 Ω 750 Ω 1000 Ω 3000 Ω 1500 Ω 750 Ω ANSWER DOWNLOAD EXAMIANS APP
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