Power Systems Condition for zero voltage regulation is cosφ = R/X cosφ = X/R tanφ = R/X tanφ = X/R cosφ = R/X cosφ = X/R tanφ = R/X tanφ = X/R ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following circuit breakers produce least arc energy? Air blast CB. Air break CB. Plain oil CB. Minimum oil CB. Air blast CB. Air break CB. Plain oil CB. Minimum oil CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speed ( NS ) of turbine is given by N√( P ) / H2/3. none of these. P√( N ) / H3/2. N√( P ) / H1.25. N√( P ) / H2/3. none of these. P√( N ) / H3/2. N√( P ) / H1.25. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Plug setting of a relay can be altered by varying air gap of magnetic path. no. of ampere-turns. none of these. adjustable back up stop. air gap of magnetic path. no. of ampere-turns. none of these. adjustable back up stop. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Percentage of carbon is highest in coal gas. bituminous coal. anthracite coal. lignite coal. coal gas. bituminous coal. anthracite coal. lignite coal. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If R = 84 ohm/Km, G = 10-6 mho/Km, H = 0.01 H/Km, C = 0.061 μ F/Km and frequency = 1000 Hz, then what is the value of propagation constant of the transmission line 0.01 + j 0.02 per Km. None of them. 0.09 + j 0.018 per Km. 0.018 per Km. 0.01 + j 0.02 per Km. None of them. 0.09 + j 0.018 per Km. 0.018 per Km. ANSWER DOWNLOAD EXAMIANS APP
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