GETCO Exam Paper (30-11-2008)
The power handling capabilities of transmission lines are

set by design factors
determined by system operators
controlled by load frequency control equipments
both (a) & (c )

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GETCO Exam Paper (30-11-2008)
A buchholz will operate in a transformer whenever there is

any of the above
over load
saturation of magnetic circuit
large internal fault

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