GETCO Exam Paper (30-11-2008) The arc voltage in a C.B. is _____ with the arc current lagging by 90˚ leading by 90˚ none of these in phase lagging by 90˚ leading by 90˚ none of these in phase ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) A material best suited for manufacturing of fuse wire is aluminium zinc silver copper aluminium zinc silver copper ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The load carrying capability of a long transmission line may be limited by stability considerations is always limited by conductor area is increased at low ambient air temperature both (a) & (b) may be limited by stability considerations is always limited by conductor area is increased at low ambient air temperature both (a) & (b) ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The C.B.s which produces the least arc energy are air break air blast minimum oil plain oil air break air blast minimum oil plain oil 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 arrest flow of moisture into the tank to control the level of oil in the tank to suppress harmonics to provide protection against over currents to arrest flow of moisture into the tank to control the level of oil in the tank to suppress harmonics 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) When transformers or switchgears are to be installed in a transmission line, the poles used are I type J type L type H type I type J type L type H type ANSWER DOWNLOAD EXAMIANS APP