GETCO Exam Paper (30-11-2008) In a transformer it is difficult to measure the efficiency by output-input measurement methods because output is out of phase with respect to input losses are abnormally high efficiency of transformer is usually high and hence extremely accurate measurements will be necessary the output is sinusoidal and hence cannot be measured output is out of phase with respect to input losses are abnormally high efficiency of transformer is usually high and hence extremely accurate measurements will be necessary the output is sinusoidal and hence cannot be measured 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) When transformers or switchgears are to be installed in a transmission line, the poles used are H type I type J type L type H type I type J type L type ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Isolaters used in transmission lines are capable of breaking fault current charging current load current no current fault current charging current load current no current ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Supreme Command of all the three wings of the armed forces is vested in the President of India Prime Minister of India Defence Minister Chief of Army Staff President of India Prime Minister of India Defence Minister Chief of Army Staff ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The delay fuses are used for protection of motors fluorescent lamp none of these light circuits motors fluorescent lamp none of these light circuits ANSWER DOWNLOAD EXAMIANS APP
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