DGVCL Exam Paper (11-12-2011)
A fuse wire should have

Low specific resistance and low melting point
High specific resistance and high melting point
Low specific resistance and high melting point
High specific resistance and low melting point

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DGVCL Exam Paper (11-12-2011)
The corona effect can be minimized by increasing

Diameter of the conductor
The length of the conductor
Both spacing between the conductors and diameter of the conductor
Spacing between the conductors

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DGVCL Exam Paper (11-12-2011)
Distribution transformers have good all day efficiency due to

Low copper as well as iron loss
Low copper loss
Low voltage
Low iron loss

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