Car Engine Cooling System Quiz

What is the primary function of a car engine cooling system?

• To reduce fuel consumption

• To improve engine noise

• To increase engine power

• To remove excess heat from the engine

Which part is considered the heart of the cooling system?

• Coolant temperature sensor

• Radiator

• Thermostat

• Water pump

What is the main role of the radiator in the cooling system?

• To monitor engine temperature

• To regulate coolant flow

• To pump coolant

• To transfer excess heat to the atmosphere

What does the thermostat do in the cooling system?

• Monitors engine temperature

• Transfers heat to the atmosphere

• Regulates the flow of coolant

• Pumps the coolant

Where is the coolant temperature sensor typically located?

• Near the thermostat housing

• Near the radiator

• Inside the water pump

• In the expansion tank

What is the purpose of the water jacket in the engine?

• To seal the engine block

• To drive the serpentine belt

• To provide a safe passage for coolant flow

• To mix coolant with oil

What happens when the engine is cold?

• The coolant flows to the radiator

• The radiator fan turns on

• The bypass valve stays open

• The main valve opens

At what temperature range does the bypass valve start to close?

• 200 to 220 Fahrenheit

• 100 to 120 Fahrenheit

• 130 to 150 Fahrenheit

• 160 to 190 Fahrenheit

What is the role of the radiator pressure cap?

• To regulate coolant flow

• To pump the coolant

• To monitor engine temperature

• To maintain system pressure

What component dissipates heat from the hot coolant to the vehicle interior?

• Heater core

• Water pump

• Radiator

• Thermostat