GETCO Exam Paper (30-11-2008) In a transformer it is difficult to measure the efficiency by output-input measurement methods because 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 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 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The C.B.s which produces the least arc energy are air blast plain oil air break minimum oil air blast plain oil air break minimum oil ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Interconnected power systems operating with "tie line bias" will respond to both frequency and tie line load changes tie line load changes only tie line voltage changes only frequency changes only both frequency and tie line load changes tie line load changes only tie line voltage changes only frequency changes only ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) If a power system is transiently stable, it will oscillate beyond the first swing both (a) & (c ) is always dynamically stable may be dynamically unstable will oscillate beyond the first swing both (a) & (c ) is always dynamically stable may be dynamically unstable ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Minimum oil C.B. use oil for insulation lubrication arc quenching cooling insulation lubrication arc quenching cooling ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Arcing voltage will be the least in case of copper carbon tungsten silver copper carbon tungsten silver ANSWER DOWNLOAD EXAMIANS APP
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