GETCO Exam Paper (22-07-2015) For a given transformer volte/turn for primary and secondary winding is different depends on load depends on transformer design same different depends on load depends on transformer design same ANSWER EXPLANATION DOWNLOAD EXAMIANS APP emf = 4.44*f*φ*Temf/T = 4.44*f*φ
GETCO Exam Paper (22-07-2015) Which of the following is not function of substation batteries? operating protective relay systems provide supply to the excitation system operating automatic control circuits emergency lighting circuits operating protective relay systems provide supply to the excitation system operating automatic control circuits emergency lighting circuits ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Two watt meter method for 3 phase circuit is preferred over other methods because PF of the load can also be estimated it can be used for balanced or unbalanced load all are correct it can be used for star or delta connected load PF of the load can also be estimated it can be used for balanced or unbalanced load all are correct it can be used for star or delta connected load ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Root Locus is locus of the _____ close loop poles to close loop zeros open loop poles to open loop zeros close loop poles open loop zeros to close poles close loop poles to close loop zeros open loop poles to open loop zeros close loop poles open loop zeros to close poles ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Calculate torque developed by the 3-phase, 5 HP, 4 pole induction motor runs at 1500 rpm 22 N-m 0 N-m 23.5 N-m 10 N-m 22 N-m 0 N-m 23.5 N-m 10 N-m ANSWER EXPLANATION DOWNLOAD EXAMIANS APP P = 2πTN/60 where N is speed in rpm
GETCO Exam Paper (22-07-2015) HVDC transmission is preferred to EHV AC because Harmonic problem is avoided System stability can be improved VAR compensation is not required in it Its terminal equipment are inexpensive Harmonic problem is avoided System stability can be improved VAR compensation is not required in it Its terminal equipment are inexpensive ANSWER DOWNLOAD EXAMIANS APP
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