Exam 11: Engine Cooling Systems

Which of the following does not conduct electricity ?

When considering coolant cavitation erosion, what is a vapor bubble composed of?

What should always be used to adjust fan belts?

Which of the following coolants boasts the longest service life?

When the heat of combustion is transmitted through a diesel engine cylinder block, the principle is known as:

What causes wet liner cavitation?

What mixture concentricity of propylene glycol to water provides maximum antifreeze protection?

Technician A says that loose fan belts are usually destroyed more rapidly than belts that are adjusted too tight. Technician B says that too tight adjustment on poly-V fan belts can destroy bearings. Who is correct?

Which of the following pH readings taken in engine coolant fall in the normal range?

What is the pumping member of a diesel engine water pump rotor known as?

Which type of engine coolant offers the best protection against liner cavitation erosion?

Technician A says that the first step to take when troubleshooting an engine overheating conditioning is to remove the radiator shroud to permit unimpeded air flow through the engine compartment. Technician B says that an engine overheat condition could be caused by a missing or damaged radiator shroud. Who is correct?

Which is the most accurate means of testing the antifreeze protection level of a coolant?

Which of the following could be handled by data bus communications in a current diesel engine cooling system

What mixture concentricity of ethylene glycol to water provides maximum antifreeze protection?