GETCO Exam Paper (30-11-2008) A reactance relay is _____ restrained _____ relay. direction, over-current direction, over-voltage voltage, directional voltage, over-current direction, over-current direction, over-voltage voltage, directional voltage, over-current ANSWER DOWNLOAD EXAMIANS APP
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 generator static load synchronous motor transmission line synchronous generator static load synchronous motor transmission line ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) When transformers or switchgears are to be installed in a transmission line, the poles used are J type I type L type H type J type I type L type H type ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The delay fuses are used for protection of none of these light circuits motors fluorescent lamp none of these light circuits motors fluorescent lamp ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Minimum oil C.B. use oil for insulation arc quenching lubrication cooling insulation arc quenching lubrication cooling ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Which loss in a transformer varies significantly with load? Core loss Eddy current loss Copper loss Hysteresis loss Core loss Eddy current loss Copper loss Hysteresis 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.
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