Power Systems Reflector nuclear reactor are made of beryllium. boron. steel. cast iron. beryllium. boron. steel. cast iron. 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 different units actual value of quantity /base value of quantity in different units base value of quantity /actual value of quantity in same units actual value of quantity /base 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 base value of quantity /actual value of quantity in same units ANSWER DOWNLOAD EXAMIANS APP
Power Systems The line currents of 3-phase supply are: IR = 3 + j 5 A IY =2 + j 2 A IB = -2 - j 1 A The zero sequence current will be 5 + j 7 A 1 + j 2 A -2 - j 1 A 1 + j 4 A 5 + j 7 A 1 + j 2 A -2 - j 1 A 1 + j 4 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1- phase transmission line operating at 30 kV has radius of 1 cm and distance between conductors is 0.5 m. Assume m = δ =1, g = 21 kV/cm and frequency f = 50 Hz. Find the critical disruptive voltage? 82.15 kV/phase 17.32 kV/phase 34.64 kV/phase 41.075 kV/phase 82.15 kV/phase 17.32 kV/phase 34.64 kV/phase 41.075 kV/phase ANSWER DOWNLOAD EXAMIANS APP
Power Systems The steam power plant efficiency can be improved by using large quantity of water. using high temperature and high pressure steam. burning large amount of coal. decreasing the load on the plant. using large quantity of water. using high temperature and high pressure steam. burning large amount of coal. decreasing the load on the plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydraulic turbine having rated speed of 250 rpm is connected to a synchronous generator. In order to produce power at 50 Hz, the numbers of pole are required in the generator 24. 16. 6. 12. 24. 16. 6. 12. ANSWER DOWNLOAD EXAMIANS APP
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