Power Systems If the fault current is 2000 A, the relay setting is 50% and CT ratio is 400 : 5, then plug setting multiplier will be 50. 15. 25. 10. 50. 15. 25. 10. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used for protection of equipment from open circuits protection of equipment from external lightning All of these protection of equipment from short circuits protection of equipment from open circuits protection of equipment from external lightning All of these protection of equipment from short circuits ANSWER DOWNLOAD EXAMIANS APP
Power Systems A CANDU reactor uses enriched uranium as fuel and ordinary water as moderator and cooler. only fertile materials. natural uranium as fuel and heavy water as moderator and coolant. highly enriched uranium as fuel and water as moderator and coolant. enriched uranium as fuel and ordinary water as moderator and cooler. only fertile materials. natural uranium as fuel and heavy water as moderator and coolant. highly enriched uranium as fuel and water as moderator and coolant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The surge impedance of a 400 km long overhead transmission line is 420 Ω. For a 200 km length of the same line, the surge impedance will be 210 Ω 840 Ω 400 Ω 420 Ω 210 Ω 840 Ω 400 Ω 420 Ω 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% 75% 66.66% 25% 33.33% 75% 66.66% 25% ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power station supplies the peak load of 50 MW, 40 MW and 70 MW to three localities. The annual load factor is 0.50 p.u. and the diversity factor of the load at the station is 1.55 the maximum demand on the station and average load respectively will be 52 MW. 53 MW. 51.61 MW. 57.5 MW. 52 MW. 53 MW. 51.61 MW. 57.5 MW. ANSWER DOWNLOAD EXAMIANS APP
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