GETCO Exam Paper (22-07-2015) For a given transformer volte/turn for primary and secondary winding is same different depends on transformer design depends on load same different depends on transformer design depends on load ANSWER EXPLANATION DOWNLOAD EXAMIANS APP emf = 4.44*f*φ*Temf/T = 4.44*f*φ
GETCO Exam Paper (22-07-2015) 100% string efficiency means Zero potential across each disc None uniform potential distribution across each disc Equal potential across each disc One of the insulator discs shorted Zero potential across each disc None uniform potential distribution across each disc Equal potential across each disc One of the insulator discs shorted 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
GETCO Exam Paper (22-07-2015) Which of the following is not function of substation batteries? operating automatic control circuits operating protective relay systems emergency lighting circuits provide supply to the excitation system operating automatic control circuits operating protective relay systems emergency lighting circuits provide supply to the excitation system ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Switching surges are power frequency voltage high voltage Acs short duration transient voltage high votage DCs power frequency voltage high voltage Acs short duration transient voltage high votage DCs ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The PU impedance of a 1089 MVA, 33 kV generator is 1, the ohmic value of its impedance is: 10 100 1 0.5 10 100 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS