GETCO Exam Paper (30-11-2008) The normal difference between transmission lines and distribution lines is The cross sectional area of the conductors The quantity of power being transmitted by the lines The operating voltage The quantity of current carried by the lines The cross sectional area of the conductors The quantity of power being transmitted by the lines The operating voltage The quantity of current carried by the lines ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) When a star delta transformer bank of three single phase transformers is to be used for step down transformation with line voltages of 23000 V and 2300 V, the ratio of transformation will be 5.8:1 12.1:1 10.0:1 17.2:1 5.8:1 12.1:1 10.0:1 17.2:1 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Which of the following regulation is considered to be the best 0.98 0.3 0.02 0.7 0.98 0.3 0.02 0.7 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Summation transformers are used in _____ relays. carrier earth-fault pilot-wire distance carrier earth-fault pilot-wire distance ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Which loss in a transformer varies significantly with load? Copper loss Core loss Hysteresis loss Eddy current loss Copper loss Core loss Hysteresis loss Eddy current 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 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
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