GETCO Exam Paper (22-07-2015) Critical clearing time of a fault in a power system is related to Short circuit limit Steady state limit Reactive power limit Transient stability limit Short circuit limit Steady state limit Reactive power limit Transient stability limit ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) A transformer has negative voltage regulation when its load PF is unity lagging leading zero unity lagging leading zero ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Voltage regulation = ((no load voltage)-(full load voltage)/(no load voltage))VR at leading PF = ((I*R*cosφ)-(I*X*sinφ))/VVR at lagging PF = ((I*R*cosφ)+(I*X*sinφ))/V
GETCO Exam Paper (22-07-2015) In which of the following festivals are boat races a special feature? Rongali Bihu Pongal Navaratri Onam Rongali Bihu Pongal Navaratri Onam 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 180˚C 105˚C 130˚C 150˚C 180˚C 105˚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) Which of the following is not function of substation batteries? operating automatic control circuits provide supply to the excitation system operating protective relay systems emergency lighting circuits operating automatic control circuits provide supply to the excitation system operating protective relay systems emergency lighting circuits ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Oil is mostly _____ by trucks in India deliver transmit transfer transport deliver transmit transfer transport ANSWER DOWNLOAD EXAMIANS APP
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