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 66.66% 75% 25% 33.33% 66.66% 75% 25% 33.33% ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 layer, total diameter of an ACSR conductor is 5 cm. Find the diameter of each strand? 1 cm 15 cm 5 cm 1.5 cm 1 cm 15 cm 5 cm 1.5 cm ANSWER DOWNLOAD EXAMIANS APP
Power Systems Operating cost of thermal power station is less than that of nuclear power plant. less than that of diesel power plant. less than that of hydroelectric power plant. is the same as that of nuclear power plant. less than that of nuclear power plant. less than that of diesel power plant. less than that of hydroelectric power plant. is the same as that of nuclear power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems When is the ferranti effect on long overhead lines experienced? The line is heavily loaded The line is fully loaded The line is lightly loaded The power factor is unity The line is heavily loaded The line is fully loaded The line is lightly loaded The power factor is unity ANSWER DOWNLOAD EXAMIANS APP
Power Systems In an induction relay for a particular current setting the operating time 4 sec. When the time multiplier setting is 0.8 if the time multiplier setting is rest to 1 the operating time is 5. 1. un changed. 10. 5. 1. un changed. 10. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical disruptive voltage is a voltage at which nether 1 nor 2 corona is just initiated corona is visible with blue or violet colour both 1 and 2 nether 1 nor 2 corona is just initiated corona is visible with blue or violet colour both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP