Power Systems Where air circuit breakers are used? Up to 66 kV. Up to 11 kV. Up to 33 kV. Up to 12 kV. Up to 66 kV. Up to 11 kV. Up to 33 kV. Up to 12 kV. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase, 110 kV coaxial XLPE insulated power cable delivering power at 50 Hz, has a capacitance of 125 nF/km. If the dielectric loss tangent of XLPE is 2*10^-4, then dielcetric power loss in this cable in W/km/phase is 23.9 38.6 31.7 35.45 23.9 38.6 31.7 35.45 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Corona loss is ----------------- on hilly areas than as plain areas. None of these remain same less more None of these remain same less more ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the effects of corona power loss decreases All of these charging current increases interference decreases power loss decreases All of these charging current increases interference decreases ANSWER DOWNLOAD EXAMIANS APP
Power Systems Sum of the elements of row i equal to shunt admittances connected to bus i. If this summation is zero, indicates there is no mutual coupling both 1 and 2 None of these shunt admittance mutual coupling both 1 and 2 None of these shunt admittance ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the correct expression for the electrical power developed by 75 × 0.736 × WQHη. ( 75 / 0.736 ) × WQHη. ( 7 / 75 ) × WQHη. ( 0.763 / 75 ) × WQHη. 75 × 0.736 × WQHη. ( 75 / 0.736 ) × WQHη. ( 7 / 75 ) × WQHη. ( 0.763 / 75 ) × WQHη. ANSWER DOWNLOAD EXAMIANS APP
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