Power Systems The specific speed ( NS ) of turbine is given by P√( N ) / H3/2. none of these. N√( P ) / H1.25. N√( P ) / H2/3. P√( N ) / H3/2. none of these. N√( P ) / H1.25. N√( P ) / H2/3. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 layer and diameter of each strand is d, then find the total diameter of ACSR conductor? 2d d 5d 3d 2d d 5d 3d ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 100 Km long transmission line is loaded at 110 kV. If the loss of line is 5 MW and the load is 150 VA the resistance of the line is 2.26 Ω / phase. 6.06 Ω / phase. 8.06 Ω / phase. 4.65 Ω / phase. 2.26 Ω / phase. 6.06 Ω / phase. 8.06 Ω / phase. 4.65 Ω / phase. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The inertia constant of 100 MVA, 50 Hz, 4 pole generator is 10 MJ/MVA. If the mechanical input to the machine is suddenly raised from 50 MW to 75 MW, the rotor acceleration will be equal to 225 electrical degrees/s² 125 electrical degrees/s² 12.5 electrical degrees/s² 22.5 electrical degrees/s² 225 electrical degrees/s² 125 electrical degrees/s² 12.5 electrical degrees/s² 22.5 electrical degrees/s² ANSWER DOWNLOAD EXAMIANS APP
Power Systems When reactance grounding is used in network, the voltage between neutral and ground is IN × Xn 3×IR0 × Xn IR0 × Xn both 1 and 3 IN × Xn 3×IR0 × Xn IR0 × Xn both 1 and 3 ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the frequency is increased, then skin effect will remains unaffected increases any of the above decreases remains unaffected increases any of the above decreases ANSWER DOWNLOAD EXAMIANS APP
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