GETCO Exam Paper (30-11-2008) Highest voltage for transmitting electrical power in India is (in 2008) 550 kV 765 kV 400 kV 700 kV 550 kV 765 kV 400 kV 700 kV 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 Prime Minister of India Defence Minister President of India Chief of Army Staff Prime Minister of India Defence Minister President of India Chief of Army Staff ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) In an overhead transmission line, wave traps are used for the detection of the _____ signals. carrier fault voltage fault power fault current carrier fault voltage fault power fault current ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) An air blast C.B. is usually employed for _____ duty repeated short intermittent instantaneous repeated short intermittent instantaneous 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.
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 efficiency of transformer is usually high and hence extremely accurate measurements will be necessary losses are abnormally high the output is sinusoidal and hence cannot be measured output is out of phase with respect to input efficiency of transformer is usually high and hence extremely accurate measurements will be necessary losses are abnormally high the output is sinusoidal and hence cannot be measured ANSWER DOWNLOAD EXAMIANS APP
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