GETCO Exam Paper (22-07-2015) What is the surge impedance loading of 400 kV line with surge impedance given as 160 Ω 250 MW 400 MW 1000 kW 1000 MW 250 MW 400 MW 1000 kW 1000 MW ANSWER EXPLANATION DOWNLOAD EXAMIANS APP SIL = (kV)²/Z₀
GETCO Exam Paper (22-07-2015) Which of the following is the most likely reason for large overshoot in a control system? High gain in a system high retarding torque high positive correcting torque presence of dead time delay High gain in a system high retarding torque high positive correcting torque presence of dead time delay ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) During the insulation co-ordination in the sub station, the lowest insulation strength is at CTs and PTs circuit breaker bus bar transformer CTs and PTs circuit breaker bus bar transformer ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The rating of given on the name plate of a transformer indicates the: True power whichh it draws from the supply mains True power which it can supply Apparent power which it can supply Apparent power which it draws from the supply mains True power whichh it draws from the supply mains True power which it can supply Apparent power which it can supply Apparent power which it draws from the supply mains ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The rating of given on the name plate of a transformer indicates the:Apparent power which it can supply S=V( supplied voltage)*I (load current)active power = v* i*cosφreactive power = v* i*sinφ
GETCO Exam Paper (22-07-2015) Two watt meter method for 3 phase circuit is preferred over other methods because it can be used for balanced or unbalanced load PF of the load can also be estimated all are correct it can be used for star or delta connected load it can be used for balanced or unbalanced load PF of the load can also be estimated all are correct it can be used for star or delta connected load ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) When the load is suddenly increased in the receiving end of the system, the phase shift will Not affected decrease increase remains same Not affected decrease increase remains same ANSWER DOWNLOAD EXAMIANS APP
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