GETCO Exam Paper (30-11-2008) In an overhead transmission line, wave traps are used for the detection of the _____ signals. fault voltage carrier fault power fault current fault voltage carrier fault power fault current ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) In a transformer it is difficult to measure the efficiency by output-input measurement methods because output is out of phase with respect to input the output is sinusoidal and hence cannot be measured efficiency of transformer is usually high and hence extremely accurate measurements will be necessary losses are abnormally high output is out of phase with respect to input the output is sinusoidal and hence cannot be measured efficiency of transformer is usually high and hence extremely accurate measurements will be necessary losses are abnormally high ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The function of a breather in a transformer is to provide protection against over currents to suppress harmonics to control the level of oil in the tank to arrest flow of moisture into the tank to provide protection against over currents to suppress harmonics to control the level of oil in the tank to arrest flow of moisture into the tank ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Function of breather is to extract moisture from air going into the conservator.it is small container filled with silica gel.silica gel in breather will be blue colour when installedsilica gel turn into pink colour when absorb moisture.
GETCO Exam Paper (30-11-2008) The load carrying capability of a long transmission line is increased at low ambient air temperature is always limited by conductor area both (a) & (b) may be limited by stability considerations is increased at low ambient air temperature is always limited by conductor area both (a) & (b) may be limited by stability considerations ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) If the +Ve, -Ve & zero sequence reactances of an elements of a power system are 0.3, 0.3 & 0.8 p.u. respectively, the element would be synchronous motor static load synchronous generator transmission line synchronous motor static load synchronous generator transmission line ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Burden of the relay is _____ rating of relay volt-amp. watt voltage current volt-amp. watt voltage current ANSWER DOWNLOAD EXAMIANS APP
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