Power Systems Mho relays are used for the protection of which of the following lines? medium transmission lines only None of these short transmission lines only long transmission lines only medium transmission lines only None of these short transmission lines only long transmission lines only ANSWER DOWNLOAD EXAMIANS APP
Power Systems Plant capacity factor value is greater than 1 0 1 less than 1 greater than 1 0 1 less than 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where the voltage is high and current to be interrupted is low, Which of following the breaker is preferable? Oil CB. Air blast CB. Any of these. Vacuum CB. Oil CB. Air blast CB. Any of these. Vacuum CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of inductance used for compensation of arcing grounds is 3/ω²C 3ω²C 1/3ω²C ω²C/3 3/ω²C 3ω²C 1/3ω²C ω²C/3 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A coal fired steam power station working at a plant factor of 80% has one 500 MW generating unit. If the heat content of coal is 2 kWh/kg, the overall plant efficiency is 40% and a train load of coal is 2000 metric tons, then the number of trains required daily for the plant is 16 6 2 10 16 6 2 10 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Load frequency control is achieved by properly matching the individual machines reactive powers. turbine inputs. generator ratings. generated voltages. reactive powers. turbine inputs. generator ratings. generated voltages. ANSWER DOWNLOAD EXAMIANS APP
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