Power Systems Differential relays does not used for which of the following faults? faults within a generator through faults both 1 and 2 faults within a transformer faults within a generator through faults both 1 and 2 faults within a transformer ANSWER DOWNLOAD EXAMIANS APP
Power Systems The capacitance of an overhead transmission line increases with increase in height of conductors above ground neither 1 nor 2 increase in mutual geometrical mean distance both 1 and 2 increase in height of conductors above ground neither 1 nor 2 increase in mutual geometrical mean distance both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line is operating under no load has ABCD parameters B = 100∠90° has a phase shift of 0.2 rad, how much shunt reactor is required for compensation of ferranti effect? 2 H 15.9 H 15.9 mH 2 mH 2 H 15.9 H 15.9 mH 2 mH ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the load is short circuited, then reflection coefficient of voltage is 1 -1 0 -2 1 -1 0 -2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the breakdown voltage of the insulator is high, the thickness of the insulator is less None of these high it does not related to breakdown voltage less None of these high it does not related to breakdown voltage ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal power stations, economiser will both 2 and 3 reduce the heat reduce the thermal efficiency increase the thermal efficiency both 2 and 3 reduce the heat reduce the thermal efficiency increase the thermal efficiency ANSWER DOWNLOAD EXAMIANS APP