GETCO Exam Paper (30-11-2008) In a transformer it is difficult to measure the efficiency by output-input measurement methods because losses are abnormally high the output is sinusoidal and hence cannot be measured efficiency of transformer is usually high and hence extremely accurate measurements will be necessary output is out of phase with respect to input losses are abnormally high the output is sinusoidal and hence cannot be measured efficiency of transformer is usually high and hence extremely accurate measurements will be necessary output is out of phase with respect to input ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Directional over current relays have two exciting coils connected across _____ secondary's of two _____ phases T. & P.T., different T. & P.T., same P.T., different T., different T. & P.T., different T. & P.T., same P.T., different T., different 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 provide 30 MW support provide 10 MW of support not be affected provide 20 MW of support provide 30 MW support provide 10 MW of support not be affected ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The arc voltage in a C.B. is _____ with the arc current leading by 90˚ none of these in phase lagging by 90˚ leading by 90˚ none of these in phase lagging by 90˚ ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Transmission efficiency increases as voltage and power factor both decrease voltage and power factor both increase voltage increases but power factor decreases voltage decreases but power factor increases voltage and power factor both decrease voltage and power factor both increase voltage increases but power factor decreases voltage decreases but power factor increases 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 completeIn the camps volunteers served one and all without _____ discrimination discretion distinction considertion discrimination discretion distinction considertion ANSWER DOWNLOAD EXAMIANS APP
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