Power Systems Fault calculations using computer are usually done by Y bus method either 1 or 2 None of these Z bus method Y bus method either 1 or 2 None of these Z bus method ANSWER DOWNLOAD EXAMIANS APP
Power Systems A cable has inductance of 0.22 mH per km and capacitance of 0.202 µF per km. The surge impedance of the cable is 40 Ω 52 Ω 33 Ω 28 Ω 40 Ω 52 Ω 33 Ω 28 Ω 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 2 16 6 10 2 16 6 10 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Range of accelerating factor is 1 to 10 10.8 to 11.2 50 to 100 1.6 to 1.8 1 to 10 10.8 to 11.2 50 to 100 1.6 to 1.8 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Per unit of any quantity is defined as actual value of quantity /base value of quantity in same units base value of quantity /actual value of quantity in same units base value of quantity /actual value of quantity in different units actual value of quantity /base value of quantity in different units actual value of quantity /base value of quantity in same units base value of quantity /actual value of quantity in same units base value of quantity /actual value of quantity in different units actual value of quantity /base value of quantity in different units ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of per unit system is/are Need of transformation ratio It has units for all quantities No units for any quantity All of these Need of transformation ratio It has units for all quantities No units for any quantity All of these ANSWER DOWNLOAD EXAMIANS APP
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