DGVCL Exam Paper (11-12-2011)
First zone distance relay protects the transmission line section upto

50 % of its full length
Its full length
25 % of its full length
80 % of its full length

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

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

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