Power Systems Pin insulators are used up to any voltage level 120 kV 33 kV 11 kV any voltage level 120 kV 33 kV 11 kV 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 125 electrical degrees/s² 12.5 electrical degrees/s² 225 electrical degrees/s² 22.5 electrical degrees/s² 125 electrical degrees/s² 12.5 electrical degrees/s² 225 electrical degrees/s² 22.5 electrical degrees/s² ANSWER DOWNLOAD EXAMIANS APP
Power Systems The inductance of single phase two wire line is given by 0.4×10-7× ln(r'/d) H/m 4×10-7× ln(r'/d) H/m 0.4×10-7× ln(d/r') H/m 4×10-7× ln(d/r') H/m 0.4×10-7× ln(r'/d) H/m 4×10-7× ln(r'/d) H/m 0.4×10-7× ln(d/r') H/m 4×10-7× ln(d/r') H/m ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 25 MVA, 11 kV alternator is supplying full load at a point of 0.75 lagging. Determine the percentage increase in earning capacity when it is operated at improved power factor of 0.96 lagging. 56 %. 14 %. 28 %. None of above 56 %. 14 %. 28 %. None of above ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation of the modern EHV lines is designed based on R × I. corona. the lighting voltage. the switch voltage. R × I. corona. the lighting voltage. the switch voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For head and low discharge the water turbine used propeller turbine. Kaplan wheel. Francis turbine. Pelton wheel. propeller turbine. Kaplan wheel. Francis turbine. Pelton wheel. ANSWER DOWNLOAD EXAMIANS APP
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