Power Systems For large plants of capacity for more than 15 MW, what type of cooling is used Hydrogen. Air. Water. Liquid. Hydrogen. Air. Water. Liquid. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm cosωt? 9.68 4.68 msec 2.63 msec 1.47 msec 9.68 4.68 msec 2.63 msec 1.47 msec ANSWER DOWNLOAD EXAMIANS APP
Power Systems For transmission line which one of the following relation is true? AD - BC = 0 AD + BC = 0 AD - BC = -1 AD - BC = 1 AD - BC = 0 AD + BC = 0 AD - BC = -1 AD - BC = 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of inductance used for compensation of arcing grounds is ω²C/3 3/ω²C 3ω²C 1/3ω²C ω²C/3 3/ω²C 3ω²C 1/3ω²C ANSWER DOWNLOAD EXAMIANS APP
Power Systems The VSWR of transmission line is Directly proportional to load impedance and inversely to characteristic impedance. Directly proportional to characteristic impedance and inversely to load impedance. Directly proportional to voltage minimum and inversely proportional to voltage maximum. Proportional to load and characteristic impedance. Directly proportional to load impedance and inversely to characteristic impedance. Directly proportional to characteristic impedance and inversely to load impedance. Directly proportional to voltage minimum and inversely proportional to voltage maximum. Proportional to load and characteristic impedance. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following faults is/are treated as external faults? Over voltage All of these Failure of excitation Failure of prime mover of the generator Over voltage All of these Failure of excitation Failure of prime mover of the generator ANSWER DOWNLOAD EXAMIANS APP
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