Power Systems The steam power plant efficiency can be improved by using high temperature and high pressure steam. decreasing the load on the plant. using large quantity of water. burning large amount of coal. using high temperature and high pressure steam. decreasing the load on the plant. using large quantity of water. burning large amount of coal. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A penstock is used as a condition between the heat ex-changer and the turbine in nuclear power plant. the turbine and discharge drain. none of above. the dam and the turbine in a hydro station. the heat ex-changer and the turbine in nuclear power plant. the turbine and discharge drain. none of above. the dam and the turbine in a hydro station. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Attenuation occurs due to inductance conductance resistance both 1 and 3 inductance conductance resistance both 1 and 3 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 4 A 1 + j 2 A -2 - j 1 A 5 + j 7 A 1 + j 4 A 1 + j 2 A -2 - j 1 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems The inertia constant of 100 MVA, 50 Hz, 4 pole generator is 10 MJ/MVA. If the mechanical input to the machine is suddenly raised from 50 MW to 75 MW, the rotor acceleration will be equal to 225 electrical degrees/s² 22.5 electrical degrees/s² 12.5 electrical degrees/s² 125 electrical degrees/s² 225 electrical degrees/s² 22.5 electrical degrees/s² 12.5 electrical degrees/s² 125 electrical degrees/s² ANSWER DOWNLOAD EXAMIANS APP
Power Systems The use of high speed circuit breakers improves system stability. decrease system stability. increased the short circuit current. reduces the short circuit current. improves system stability. decrease system stability. increased the short circuit current. reduces the short circuit current. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS