GETCO Exam Paper (22-07-2015) Which of the following is the wrong statement in terms of slack bus? it has finite reactive power generation capability it should be the largest generator bus in the system it should be located at the centre of the area voltage and angle is specified at this bus it has finite reactive power generation capability it should be the largest generator bus in the system it should be located at the centre of the area voltage and angle is specified at this bus ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The insulation strength of an EHV transmission line is mainly governed by Harmonics Load power factor Corona Switching over voltages Harmonics Load power factor Corona Switching over voltages ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Switching surges are power frequency voltage high voltage Acs high votage DCs short duration transient voltage power frequency voltage high voltage Acs high votage DCs short duration transient voltage ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) A transformer has negative voltage regulation when its load PF is zero unity lagging leading zero unity lagging leading 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) The value of holding ratio of relay is always less than 1 zero greater than 1 Infinite less than 1 zero greater than 1 Infinite ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In which of the following festivals are boat races a special feature? Navaratri Rongali Bihu Onam Pongal Navaratri Rongali Bihu Onam Pongal ANSWER DOWNLOAD EXAMIANS APP