Transmission and Distribution - EEE Questions and Answers

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Due to which of the following reasons the cables should not be operated too hot?

The oil may loose its viscosity and it may start drawing off from higher levels

Expansion of the oil may cause the sheath to burst

Unequal expansion may create voids in the insulation which will lead to ionization

All of the above

Answer : Option D

Explanation :

Explanation Not Provided

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