Power Systems The steam power plant efficiency can be improved by decreasing the load on the plant. burning large amount of coal. using large quantity of water. using high temperature and high pressure steam. decreasing the load on the plant. burning large amount of coal. using large quantity of water. using high temperature and high pressure steam. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following faults is/are treated as external faults? Failure of excitation Failure of prime mover of the generator Over voltage All of these Failure of excitation Failure of prime mover of the generator Over voltage All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠90° Ω, C = 0.5*10^-6∠90° ℧. Find the shunt reactor required for compensating ferranti effect? 3000 Ω 1500 Ω 500 Ω 2000 Ω 3000 Ω 1500 Ω 500 Ω 2000 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Isolator in sub station is open under ------------- condition? short circuit no load full load any of the above short circuit no load full load any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following will take least time in starting from cold condition to full load operation Thermal power plant. Gas turbine plant. Hydro electric power plant. Nuclear power plant. Thermal power plant. Gas turbine plant. Hydro electric power plant. Nuclear power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the characteristic impedance of a transmission line, if impedance is 16 Ω and admittance is 0.1 m℧? 160 Ω 400 Ω 320 Ω 200 Ω 160 Ω 400 Ω 320 Ω 200 Ω ANSWER DOWNLOAD EXAMIANS APP
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