Power Systems For flat voltage profile system, voltage regulation is 100% any of the above 50% 0% 100% any of the above 50% 0% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Main bus bar protection scheme is /are differential protection. none of these. both fault bus and differential protection. fault bus protection. differential protection. none of these. both fault bus and differential protection. fault bus protection. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The amount of ash content in Indian coal 60 %. 45 %. 35 %. 20 %. 60 %. 45 %. 35 %. 20 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Condition for maximum voltage regulation cosφ = X/R cosφ = R/X tanφ = X/R tanφ = R/X cosφ = X/R cosφ = R/X tanφ = X/R tanφ = R/X ANSWER DOWNLOAD EXAMIANS APP
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 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? 500 Ω 3000 Ω 1500 Ω 2000 Ω 500 Ω 3000 Ω 1500 Ω 2000 Ω ANSWER DOWNLOAD EXAMIANS APP
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