Power Systems Three generators rated 100 MVA, 11 kV have an impedance of 0.15 pu each. If in the same plant, these generators are being replaced by a single equivalent generator, the effective impedance of equivalent generator will be 0.05 pu 0.25 pu 0.45 pu 0.15 pu 0.05 pu 0.25 pu 0.45 pu 0.15 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems If L and C are 4 mH and 0.0001 μF respectively a current chop of magnitude 50 Amp would induced a voltage 50 kV. 200 kV. 100 kV. 400 kV. 50 kV. 200 kV. 100 kV. 400 kV. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The Y bus matrix of 100 bus interconnected system is 90% sparse. Hence the number of transmission lines in the system must be 500 250 450 900 500 250 450 900 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal power plants the size of coal after crushing 20 - 25 mm. 40 mm. 200 - 205 mm. 300 mm. 20 - 25 mm. 40 mm. 200 - 205 mm. 300 mm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across the bottom most unit is 33.33% of total voltage. Its string efficiency is 33.33% 25% 75% 66.66% 33.33% 25% 75% 66.66% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are base load plants? hydro plants All of these thermal plants nuclear plants hydro plants All of these thermal plants nuclear plants ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS