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 17.2:1 10.0:1 12.1:1 5.8:1 17.2:1 10.0:1 12.1:1 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 20 MW of support not be affected provide 10 MW of support provide 30 MW support provide 20 MW of support not be affected provide 10 MW of support provide 30 MW support 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 completeThe blood donation camp was organized _____ Naval Youth Club by to from with by to from with ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Arc chutes are used in _____ C.B.s air blast minimum oil oil vacuum air blast minimum oil oil vacuum 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 2.5% 0.01 zero -2.5% 2.5% 0.01 zero -2.5% ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Interconnected power systems operating with "tie line bias" will respond to frequency changes only tie line voltage changes only both frequency and tie line load changes tie line load changes only frequency changes only tie line voltage changes only both frequency and tie line load changes tie line load changes only ANSWER DOWNLOAD EXAMIANS APP
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