GETCO Exam Paper (22-07-2015) What is the Antonyms of 'ENIGMA'? Energetic Mystery Demise Understood Energetic Mystery Demise Understood ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) A transformer has negative voltage regulation when its load PF is unity zero leading lagging unity zero leading lagging 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) Earth wire on EHV overhead transmission line is provided to protect the line against corona effect lightning surge switching surge excessive fault voltages corona effect lightning surge switching surge excessive fault voltages ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The Z matrix of 2 port network is given by [0.9 0.2 : 0.2 0.6]. The element Y22 of the corresponding Y matrix of the same network is given by -0.4 0.4 1.8 1.2 -0.4 0.4 1.8 1.2 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The insulation strength of an EHV transmission line is mainly governed by Harmonics Switching over voltages Corona Load power factor Harmonics Switching over voltages Corona Load power factor ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) What is the surge impedance loading of 400 kV line with surge impedance given as 160 Ω 1000 MW 250 MW 1000 kW 400 MW 1000 MW 250 MW 1000 kW 400 MW ANSWER EXPLANATION DOWNLOAD EXAMIANS APP SIL = (kV)²/Z₀
EXAMIANS