Power Systems A string type insulator has three units with self capacitance C and ground capacitance of 0.2 C having a string efficiency of 78% 82% 76% 80% 78% 82% 76% 80% ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speed ( NS ) of turbine is given by N√( P ) / H1.25. none of these. P√( N ) / H3/2. N√( P ) / H2/3. N√( P ) / H1.25. none of these. P√( N ) / H3/2. N√( P ) / H2/3. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following effects are associated with transmission line ferranti effect skin effect All of these corona effect ferranti effect skin effect All of these corona effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems The sequence components of the fault current are as follows: IR1 = j1.5 pu, IR2 = -j0.5 pu, IR0 = -j1. The type of fault is LLG LL LG LLL LLG LL LG LLL 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 Charging current under no load? 0.344∠90° A/phase 1.144∠90° A/phase 0.512∠90° A/phase 0.144∠90° A/phase 0.344∠90° A/phase 1.144∠90° A/phase 0.512∠90° A/phase 0.144∠90° A/phase ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero voltage regulation is possible only for leading power factor All of these unity power factor lagging power factor leading power factor All of these unity power factor lagging power factor ANSWER DOWNLOAD EXAMIANS APP
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