GETCO Exam Paper (22-07-2015) Two watt meter method for 3 phase circuit is preferred over other methods because PF of the load can also be estimated it can be used for balanced or unbalanced load all are correct it can be used for star or delta connected load PF of the load can also be estimated it can be used for balanced or unbalanced load all are correct it can be used for star or delta connected load ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Penalty factor in power system economical operation is measure of fuel cost all are correct Line loss generation cost fuel cost all are correct Line loss generation cost ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Which of the following is not function of substation batteries? operating protective relay systems provide supply to the excitation system emergency lighting circuits operating automatic control circuits operating protective relay systems provide supply to the excitation system emergency lighting circuits operating automatic control circuits ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In a DC motor, back EMF value becomes maximum at _____ no load 3/4 load 1/2 load full load no load 3/4 load 1/2 load full load ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Answer in official key is “1/2 load ”.
GETCO Exam Paper (22-07-2015) The surge impedance loading of the line will _____ if the length of the line is double remains same double become half four times remains same double become half four times ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Surge impedance is independent of length of the line
GETCO Exam Paper (22-07-2015) Differential equation is required to be solved in _____ Stability studies Finding efficiency of a transmission line Load flow studies economical operation of power systems Stability studies Finding efficiency of a transmission line Load flow studies economical operation of power systems ANSWER DOWNLOAD EXAMIANS APP
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