Question

which system is used to cool the hot coolant coming from engine?​

Answer 1

Answer:

The radiator transfers the heat from the fluid inside to the air outside, thereby cooling the fluid, which in turn cools the engine. Radiators are also often used to cool automatic transmission fluids, air conditioner refrigerant, intake air, and sometimes to cool motor oil or power steering fluid.

Explanation:

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Answer 2

Answer:

Radiator. The primary job of the radiator is to bring down the temperature of the coolant flowing through it. This hot fluid comes from the motor of the car. The radiator has a huge surface area and transfers the heat from the coolant to the atmosphere.