Cooling system

What is the boiling point of water in Fahrenheit at sea level?

• 100 degrees

• 156 degrees

• 220 degrees

• 212 degrees

What is the proper ratio of ethylene glycol to water for proper freezing/boiling points of coolant?

• 75%/25%

• 35%/65%

• 50%/50%

• 90%/10%

Which cooling system component helps circulate the coolant in the system?

• Radiator

• Water pump

• Expansion tank

• Radiator cap

Which component should you never remove on a warm/hot engine

• Brake fluid cap

• Expansion tank cap

• Radiator cap

• Oil fill cap

With the proper ratio of ethylene glycol and water, what is the approximate freezing point of the liquid?

• 34 degrees Fahrenheit

• -34 degrees Fahrenheit

• 50 degrees Fahrenheit

• 0 degrees Fahrenheit

Which component is usually found on the front of the vehicle and helps cool down the coolant that is exiting the engine?

• Thermostat

• Radiator

• Hose

• Water pump

Which cooling system component helps regulate the temperature of the coolant?

• Hose

• Thermostat

• Water pump

• Coolant

What is the purpose of the radiator cap?

• Helps maintain pressure on the cooling system

• Lowers the boiling point of the coolant

• Cools the coolant

• None of the above

What happens to water when it freezes?

• Nothing

• It expands

• Water does not freeze

Why are cooling systems under a pressure?

• Liquid under a pressure has a lower boiling point

• Liquids under a pressure have a higher boiling point

• None of the above