Question

radiators of car are often painted black why?

Answer 1

Hey Mate..!
Here's Your Answer

Car Radiators are often painted black because black colour is a good absorber of heat.
So if the radiator is painted black the heat rejection rate increases and hence cools the engine efficiently.

Hope This Helps..!

#BeBrainly⭐

Answer 2

Hello mate,

Here is your answer,

Black colour are good absorber and radiators of heat.

Radiators are specifically provided in a vehicle so that they can reject heat.

If the radiator is painted black the heat rejection rate increases and hence cools the engine efficiently.