GETCO Exam Paper (22-07-2015) Which of the following is the most likely reason for large overshoot in a control system? high positive correcting torque presence of dead time delay high retarding torque High gain in a system high positive correcting torque presence of dead time delay high retarding torque High gain in a system ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Stray loss is equal to _____ field copper loss & iron loss copper loss and iron loss frictional loss & copper loss mechanical loss & iron loss field copper loss & iron loss copper loss and iron loss frictional loss & copper 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) Earth wire on EHV overhead transmission line is provided to protect the line against corona effect lightning surge excessive fault voltages switching surge corona effect lightning surge excessive fault voltages switching surge ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Fast excitation system of the generator will _____ Improve the power factor Improve the voltage control Improve the dynamic stability Improve the reactive power control Improve the power factor Improve the voltage control Improve the dynamic stability Improve the reactive power control ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Two watt meter method for 3 phase circuit is preferred over other methods because it can be used for star or delta connected load it can be used for balanced or unbalanced load all are correct PF of the load can also be estimated it can be used for star or delta connected load it can be used for balanced or unbalanced load all are correct PF of the load can also be estimated ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Critical clearing time of a fault in a power system is related to Reactive power limit Short circuit limit Steady state limit Transient stability limit Reactive power limit Short circuit limit Steady state limit Transient stability limit ANSWER DOWNLOAD EXAMIANS APP
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