GETCO Exam Paper (22-07-2015) Stray loss is equal to _____ field copper loss & iron loss frictional loss & copper loss copper loss and iron loss mechanical loss & iron loss field copper loss & iron loss frictional loss & copper loss copper loss and iron loss mechanical loss & iron loss ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Answer in official key is “mechanical loss & iron loss ”.Many times stray loss is also considered as total loss actually accured minus calculatable loss. This means loss that can be calculated is known as stray loss.
GETCO Exam Paper (22-07-2015) The fault occurring in transmission actually are mostly L-L-G L-L-L L-G L-L L-L-G L-L-L L-G L-L ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Penalty factor in power system economical operation is measure of generation cost Line loss all are correct fuel cost generation cost Line loss all are correct fuel cost ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The magnitude of sum of two sinusoidal AC voltages is equal to the magnitude of each individual voltage, What must be the phase difference between voltages? 60 120 90 180 60 120 90 180 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Power Factor correcting element is generally connected in _____ parallel to source series with source parallel to the load series with load parallel to source series with source parallel to the load series with load ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) For eliminating 7th harmonics from generated EMF in alternator the fractional pitch must be 5\6 7\8 6\7 2\3 5\6 7\8 6\7 2\3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP fractional pitch = Cos( α/2)α is obtain from: (nα/2)=90˚ where n is harmonicα=25.7143˚fractional pitch=6/7
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