Exam 777 Learning Outcome 3 (Cooling System)

Front

What is the main purpose of a vehicle’s cooling system?

Back

To prevent the engine from overheating and maintain an optimal temperature

Front

What is the recommended ratio of water to antifreeze to make coolant?

Back

50:50

Front

What component is responsible for circulating coolant through the engine and radiator?

Back

Water pump

Front

What is the main function of the radiator in a vehicle’s cooling system?

Back

To transfer heat from the coolant to the air, helping to lower its temperature

Front

What role does the thermostat play in the cooling system?

Back

It controls the flow of coolant based on temperature.

Front

What happens if the radiator cap is faulty?

Back

The system may lose pressure, leading to overheating

Front

Why is a cooling fan needed in a vehicle’s cooling system?

Back

To help draw air through the radiator

Front

What is engine coolant typically made from?

Back

A mixture of water and antifreeze

Front

What is the function of the heater core in a vehicle’s cooling system?

Back

It transfers heat from the hot coolant to warm the interior of the car.

Front

How does an air-cooled engine prevent overheating?

Back

By using fins and airflow to dissipate heat from the engine