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

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

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DGVCL Exam Paper (11-12-2011)
The motor used in celling fans is

Split phase motor
Capacitor start motor
Universal motor
Capacitor start capacitor run motor

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

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

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

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

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