GETCO Exam Paper (22-07-2015) Which of the following is not function of substation batteries? emergency lighting circuits operating protective relay systems operating automatic control circuits provide supply to the excitation system emergency lighting circuits operating protective relay systems operating automatic control circuits provide supply to the excitation system ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The breaking capacity of a CB is usually expressed interms of MW amperes volts MVA MW amperes volts MVA ANSWER DOWNLOAD EXAMIANS APP
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 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 it can be used for balanced or unbalanced load PF of the load can also be estimated all are correct ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The relay which is most sensitive to power swings (mal operation) is Reactance Relay Mho Relay Impedance Relay Over current Relay Reactance Relay Mho Relay Impedance Relay Over current Relay ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) HVDC transmission is preferred to EHV AC because VAR compensation is not required in it System stability can be improved Its terminal equipment are inexpensive Harmonic problem is avoided VAR compensation is not required in it System stability can be improved Its terminal equipment are inexpensive Harmonic problem is avoided ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Which of the following is a reason to decouple AVR and LFC loops when there is a shortage of reactive power? angle of the voltage is not considered deference of error is the main reason Change in voltage magnitude marginally affects real power AVR loop response is slower than LFC loop angle of the voltage is not considered deference of error is the main reason Change in voltage magnitude marginally affects real power AVR loop response is slower than LFC loop ANSWER DOWNLOAD EXAMIANS APP
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