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 10.0:1 5.8:1 12.1:1 17.2:1 10.0:1 5.8:1 12.1:1 17.2:1 ANSWER DOWNLOAD EXAMIANS APP
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 25 50 15 10 25 50 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The planning Commission was set up in April, 1947 September, 1947 January, 1948 March,1950 April, 1947 September, 1947 January, 1948 March,1950 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 30 MW support provide 10 MW of support provide 20 MW of support not be affected provide 30 MW support provide 10 MW of support 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 0.01 2.5% zero -2.5% 0.01 2.5% zero -2.5% ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Interconnected power systems operating with "tie line bias" will respond to tie line load changes only frequency changes only both frequency and tie line load changes tie line voltage changes only tie line load changes only frequency changes only both frequency and tie line load changes tie line voltage changes only ANSWER DOWNLOAD EXAMIANS APP
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