Question

Q18. The radiator used in water cooling is usually made of
(A) Stainless steel
(B) Aluminium
(c) Copper
O (D) Galvanised iron
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Answer 1

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Answer 2

The radiator used in water cooling is usually made of copper. (Option C)

• The radiator is used to cool down the water by soaking the excessive heat energy from the water.

• To soak and transport heat energy away from the water,the material should be a good conductor of heat energy.

• And, the copper metal has an excellent thermal conductivity.

• That's why, copper is used to make radiators.