GETCO Exam Paper (30-11-2008) Interconnected power systems operating with "tie line bias" will respond to tie line voltage changes only frequency changes only both frequency and tie line load changes tie line load changes only tie line voltage changes only frequency changes only both frequency and tie line load changes tie line load changes only ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Select the most suitable word from the given choices to fill in the blanks to make the sentence meaningfully completeA light breeze _____ the forest fire and made it more dangerous blew fanned lit extinguished blew fanned lit extinguished ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The normal difference between transmission lines and distribution lines is The quantity of current carried by the lines The quantity of power being transmitted by the lines The cross sectional area of the conductors The operating voltage The quantity of current carried by the lines The quantity of power being transmitted by the lines The cross sectional area of the conductors The operating voltage ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The power transmitted will be maximum when sending end voltage is more reactance is high receiving end voltage is more corona losses are least sending end voltage is more reactance is high receiving end voltage is more corona losses are least ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Power system A is operating in parallel with other systems and has a frequency bias of 50 MW/0.1 Hz. For a loss of generation in one of the interconnected systems resulting in a frequency drop of 0.02 Hz, system A should provide 30 MW support not be affected provide 20 MW of support provide 10 MW of support provide 30 MW support not be affected provide 20 MW of support provide 10 MW of support ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Which loss in a transformer varies significantly with load? Hysteresis loss Copper loss Eddy current loss Core loss Hysteresis loss Copper loss Eddy current loss Core 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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