What are the two main cooling systems an engine can have?

Question

DentroTest · Accepted Answer

The function of the cooling system is to maintain the engine at an optimal operating temperature (approx. 90ºC-95ºC). There are two main systems: Air cooling: The engine has metal fins on the outside that increase the surface area in contact with the air to dissipate heat directly. Liquid cooling: A fluid (coolant/antifreeze) circulates inside the engine block absorbing heat and transports it to the radiator to be cooled. Options mentioning 'aspiration' (referring to intake) or 'pipes' (a component, not a system) are incorrect.

What are the two main cooling systems an engine can have?

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