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 it can be used for star or delta connected load PF of the load can also be estimated all are correct it can be used for balanced or unbalanced load it can be used for star or delta connected load PF of the load can also be estimated all are correct 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? 120 60 90 180 120 60 90 180 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In rotating electrical machines, the insulation temperature limit for class B type is 150˚C 105˚C 180˚C 130˚C 150˚C 105˚C 180˚C 130˚C ANSWER EXPLANATION DOWNLOAD EXAMIANS APP insulation Class and temperature limit(in ˚C) is given below:Y - 90A- 105E- 120B-130F-155H-180C- above 180
GETCO Exam Paper (22-07-2015) Shunt compensation in EHV line is resorted to Increase line impedance Reduce the fault level Improve the stability Improve voltage profile Increase line impedance Reduce the fault level Improve the stability Improve voltage profile ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In differential protection scheme, a stabilizing resistance connected to increase the current limit reduce the effect of non identical CTs increase the relay sensitivity block harmonics increase the current limit reduce the effect of non identical CTs increase the relay sensitivity block harmonics ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In G-S method of power flow problem, the number of iterations _____ depends on tolerance depends on voltage control buses depends on no of buses remains fixed depends on tolerance depends on voltage control buses depends on no of buses remains fixed ANSWER DOWNLOAD EXAMIANS APP
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