GETCO Exam Paper (22-07-2015) In differential protection scheme, a stabilizing resistance connected to reduce the effect of non identical CTs block harmonics increase the current limit increase the relay sensitivity reduce the effect of non identical CTs block harmonics increase the current limit increase the relay sensitivity 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 130˚C 105˚C 180˚C 150˚C 130˚C 105˚C 180˚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) Which of the following is a reason to decouple AVR and LFC loops when there is a shortage of reactive power? Change in voltage magnitude marginally affects real power deference of error is the main reason angle of the voltage is not considered AVR loop response is slower than LFC loop Change in voltage magnitude marginally affects real power deference of error is the main reason angle of the voltage is not considered AVR loop response is slower than LFC loop ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The mechanical angle is _____ electrical angle always less same greater than or equal to lesser than or equal to always less same greater than or equal to lesser than or equal to ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Electrical angle = (P/2)*mechanicla angle
GETCO Exam Paper (22-07-2015) When the load is suddenly increased in the receiving end of the system, the phase shift will increase remains same decrease Not affected increase remains same decrease Not affected ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) For formation of the Y bus matrix (using node voltage analysis) in power system network modelling _____ is used all are correct KVL KCL Faraday's law all are correct KVL KCL Faraday's law ANSWER DOWNLOAD EXAMIANS APP
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