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Question

Radiator tube are generally made of

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A.

Steel

B.

Cast-iron

C.

Plastic

D.

Brass

Answer ( Option D)

Brass

Solution

* In the radiator, the hot coolant enters from the engine and it gets cooled down by the atmospheric air.

* So there is a requirement of material with high thermal conductivity and also corrosion resistance with coolant.

* So copper and Brass tubes are used due to high thermal conductivity.   

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