Power Systems A 3 - Φ, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 s. The symmetrical breaking current is 3600 A. 104.8 kA. 35 kA. 1200 A. 3600 A. 104.8 kA. 35 kA. 1200 A. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Corona is accompanied by violet visible light All of these power loss and interference hissing sound violet visible light All of these power loss and interference hissing sound ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading (SIL) is represented by both 1 and 2 Vph²/Zs Vl²*√(C/L) Vl²/Zs both 1 and 2 Vph²/Zs Vl²*√(C/L) Vl²/Zs 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 A 200 MVA alternator operated at no load at frequency of 50 Hz, it has inertia constant of 5 MWsec/MVA and governing system has a time delay of 0.6 sec. If the load of 50 MW is suddenly applied then find the frequency deviation during this time? -0.85 Hz 0.76 Hz 0.85 Hz -0.76 Hz -0.85 Hz 0.76 Hz 0.85 Hz -0.76 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical visual voltage is the voltage at which both 1 and 2 None of these corona is visible with blue or violet colour corona is just initiated both 1 and 2 None of these corona is visible with blue or violet colour corona is just initiated ANSWER DOWNLOAD EXAMIANS APP
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