GETCO Exam Paper (30-11-2008) The effect of wind pressure is more predominant on insulator neutral wires transmission lines supporting towers insulator neutral wires transmission lines supporting towers ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Corona usually occurs when the electrostatic stress in the air around the conductor succeeds 6.6 kV (rms value)/cm 22 kV (maximum value)/cm 30 kV (maximum value)/cm 11 kV (rms value)/cm 6.6 kV (rms value)/cm 22 kV (maximum value)/cm 30 kV (maximum value)/cm 11 kV (rms value)/cm ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Which loss in a transformer varies significantly with load? Eddy current loss Hysteresis loss Core loss Copper loss Eddy current loss Hysteresis loss Core loss Copper loss ANSWER EXPLANATION DOWNLOAD EXAMIANS APP During O.C test obtained no load losses (core loss)During S.C. test obtained copper loss (load losses)during loaded condition of transformer copper loss more significant than core loss.
GETCO Exam Paper (30-11-2008) If the +Ve, -Ve & zero sequence reactances of an elements of a power system are 0.3, 0.3 & 0.8 p.u. respectively, the element would be synchronous motor transmission line synchronous generator static load synchronous motor transmission line synchronous generator static load ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) In an over current protection, the setting of earth fault relay is _____ the phase fault relay. equal to more than less than not related in equal to more than less than not related in ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) On a long high voltage transmission line with heavy load, VAR compensation can be provided by using series inductive reactors series capacitors shunt capacitors shunt inductive reactors series inductive reactors series capacitors shunt capacitors shunt inductive reactors ANSWER DOWNLOAD EXAMIANS APP