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Oil in a transformer is used for 

(1) insulation (2) insulation and cooling (3) lubrication (4) insulation, cooling and lubrication

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8 Answers

0 votes
by
2) insulation and cooling
0 votes
by
4-insulation  cooling lubrication 
0 votes
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Insulation and cooling
0 votes
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insulation and cooling 

0 votes
by
Option is 2.  Insulation and Cooling
0 votes
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Insulation and cooling 
+1 vote
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oil in a transformer is used for insulation as well as coolant
0 votes
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2. Insulation & Cooling

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