GETCO Exam Paper (22-07-2015) Fast excitation system of the generator will _____ Improve the dynamic stability Improve the power factor Improve the voltage control Improve the reactive power control Improve the dynamic stability Improve the power factor Improve the voltage control Improve the reactive power control ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Calculate torque developed by the 3-phase, 5 HP, 4 pole induction motor runs at 1500 rpm 23.5 N-m 22 N-m 10 N-m 0 N-m 23.5 N-m 22 N-m 10 N-m 0 N-m ANSWER EXPLANATION DOWNLOAD EXAMIANS APP P = 2πTN/60 where N is speed in rpm
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 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 it can be used for star or delta connected load 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? 90 180 120 60 90 180 120 60 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In a given current transformer, If permissible current ratio error rated primary current is 5% the CT is suitable for protection purpose as power transformer both measuring and protection measuring purpose protection purpose as power transformer both measuring and protection measuring purpose ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) 100% string efficiency means Equal potential across each disc None uniform potential distribution across each disc One of the insulator discs shorted Zero potential across each disc Equal potential across each disc None uniform potential distribution across each disc One of the insulator discs shorted Zero potential across each disc ANSWER DOWNLOAD EXAMIANS APP
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