Power Systems Which of the following faults is/are treated as external faults? Failure of prime mover of the generator Over voltage Failure of excitation All of these Failure of prime mover of the generator Over voltage Failure of excitation All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The internal flux linkage due to internal flux of a conductor is All of these I/4*10-7 wb-T/m I/6*10-7 wb-T/m I/2*10-7 wb-T/m All of these I/4*10-7 wb-T/m I/6*10-7 wb-T/m I/2*10-7 wb-T/m ANSWER DOWNLOAD EXAMIANS APP
Power Systems Demand factor of a plant is 0 greater than 1 1 less than 1 0 greater than 1 1 less than 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across the bottom most unit is 33.33% of total voltage. Its string efficiency is 66.66% 33.33% 25% 75% 66.66% 33.33% 25% 75% ANSWER DOWNLOAD EXAMIANS APP
Power Systems To improve the efficiency of thermal power plant ________________ is placed between boiler and turbine. ash handling point. superheater. air preheater. economizer. ash handling point. superheater. air preheater. economizer. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The maximum efficiency of modern coal fired steam steam raising thermal power plants is restricted to about 0.35( a low value), mainly because of high energy loss in boilers high energy loss in condenser low alternator efficiency low steam turbine mechanical efficiency high energy loss in boilers high energy loss in condenser low alternator efficiency low steam turbine mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
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