GETCO Exam Paper (30-11-2008) In an overhead transmission line, wave traps are used for the detection of the _____ signals. fault voltage fault power fault current carrier fault voltage fault power fault current carrier ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The voltage regulation of a transformer at full load and 0.8 power factor lagging is 2.5%. The voltage regulation at full load, 0.8 power factor leading will be zero -2.5% 2.5% 0.01 zero -2.5% 2.5% 0.01 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Corona usually occurs when the electrostatic stress in the air around the conductor succeeds 11 kV (rms value)/cm 30 kV (maximum value)/cm 6.6 kV (rms value)/cm 22 kV (maximum value)/cm 11 kV (rms value)/cm 30 kV (maximum value)/cm 6.6 kV (rms value)/cm 22 kV (maximum value)/cm ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) If the folt current is 2000 A, the relay setting is 50 percent & CT ratio is 400/5, the plug setting multiplier is 15 10 50 25 15 10 50 25 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) An AC transmission line requires a VAR input: to improve stability to increase power transmission to reduce losses to improve the regulation to improve stability to increase power transmission to reduce losses to improve the regulation ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) In a dry type transformer, accumulation of dust on the windings and core is likely to cause corrosion of core material reduction in heat dissipation short circuiting of primary winding short circuiting of secondary winding corrosion of core material reduction in heat dissipation short circuiting of primary winding short circuiting of secondary winding ANSWER DOWNLOAD EXAMIANS APP