Power Systems Which of the following circuit breakers produce least arc energy? Air blast CB. Air break CB. Plain oil CB. Minimum oil CB. Air blast CB. Air break CB. Plain oil CB. Minimum oil CB. 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 25% 33.33% 75% 66.66% 25% 33.33% 75% 66.66% ANSWER DOWNLOAD EXAMIANS APP
Power Systems The conversion ratio of breeder reactor are none of above. less than 1. greater than 1. 1. none of above. less than 1. greater than 1. 1. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Stock bridge dampers are used to All of these reduce the tension reduce the vibrations at the point of support increase the sag All of these reduce the tension reduce the vibrations at the point of support increase the sag ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 100 Km long transmission line is loaded at 110 kV. If the loss of line is 5 MW and the load is 150 VA the resistance of the line is 2.26 Ω / phase. 4.65 Ω / phase. 6.06 Ω / phase. 8.06 Ω / phase. 2.26 Ω / phase. 4.65 Ω / phase. 6.06 Ω / phase. 8.06 Ω / phase. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Characteristics of arc quenching medium is/are All of these High dielectric strength Non flammable High thermal conductivity All of these High dielectric strength Non flammable High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
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