GETCO Exam Paper (22-07-2015) Stray loss is equal to _____ field copper loss & iron loss mechanical loss & iron loss copper loss and iron loss frictional loss & copper loss field copper loss & iron loss mechanical loss & iron loss copper loss and iron loss frictional loss & copper 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 PU impedance of a 1089 MVA, 33 kV generator is 1, the ohmic value of its impedance is: 100 1 10 0.5 100 1 10 0.5 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In case of HVDC transmission there is _____ charging current but no skin effect no charging current but skin effect no charging current no skin effect both charging effect and skin effect charging current but no skin effect no charging current but skin effect no charging current no skin effect both charging effect and skin effect ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) No load efficiency of tranformer is _____ than full load efficiency lesser same depends on load greater lesser same depends on load greater ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) What is the surge impedance loading of 400 kV line with surge impedance given as 160 Ω 1000 MW 400 MW 250 MW 1000 kW 1000 MW 400 MW 250 MW 1000 kW ANSWER EXPLANATION DOWNLOAD EXAMIANS APP SIL = (kV)²/Z₀
GETCO Exam Paper (22-07-2015) Fast excitation system of the generator will _____ Improve the power factor Improve the dynamic stability Improve the voltage control Improve the reactive power control Improve the power factor Improve the dynamic stability Improve the voltage control Improve the reactive power control ANSWER DOWNLOAD EXAMIANS APP
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