cooling system technology #3

Which of the following does not relate to radiator construction?

• core

• filler neck

• tanks

• impeller

For ideal cooling, a mixture of _____ is typical.

• 30% water, 70% antifreeze

• 50% water, 50% antifreeze

• 20% water, 80% antifreeze

• 70% water, 30% antifreeze

Which of the following is not a function of a radiator cap?

• Absorb heat

• seal radiator top

• pressurize cooling system

• relieve system pressure

A sensor that monitors engine coolant temperature. It is used by the engine control ECM to determine how much fuel is needed and when to enter closed loop operation.

• coolant temperature sensor

• hose clamp

• down flow radiator

• supercharger cooling system

A liquid, usually ethylene or propylene glycol, that is added to water in a vehicle's cooling system. This mixture serves as the engine's coolant.

• antifreeze

• coolant

• soda

• hydro-carbons