Power Systems Bonding is done at the both ends of the cable to reduce the iron loss sheath loss None of these copper loss iron loss sheath loss None of these copper loss ANSWER DOWNLOAD EXAMIANS APP
Power Systems When series reactor is used in generating stations, the fault current magnitude is reduced remains unaffected increased any of the above reduced remains unaffected increased any of the above 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 1. un changed. 10. 5. 1. un changed. 10. 5. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 200 MW capacity generator has a speed regulation of 4% for a frequency drop of 0.05 Hz. Find the power input supplied by the turbine for maintaining constant frequency? 10 MW 5 MW 15 MW 20 MW 10 MW 5 MW 15 MW 20 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the reflected voltage? -18.18 kV 18.18 kV 81.82 kV -81.82 kV -18.18 kV 18.18 kV 81.82 kV -81.82 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical disruptive voltage is a voltage at which both 1 and 2 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 ANSWER DOWNLOAD EXAMIANS APP