The lubricating oil collects heat from the engine’s components and then returns to the oil pan, where it ______.

_______ additives coat parts with a protective layer so that the oil resists being forced out under heavy load.

Pour point depressants keep oil from forming wax particles under _______ temperature operation.

Synthetic oils were developed in _______ during World War II due to the lack of crude oil.

Technician A says that API's "S" rating means it should only be used in supercharged engines. Technician B says that C rated oil is certified for use for cars, and not trucks. Who is correct?

Low-viscosity liquid is thin and flows easily.

The oil pump may be driven by the crankshaft or by the camshaft.

The oil sump's small external surface area helps heat transfer from the oil to the outside air.

Technician A says that spin-on oil filters use a square-cut rubber O-ring to seal the base of the filter to the engine block. Technician B says that some oil filters use a replaceable paper filter cartridge. Who is correct?

Because of its design, the oil reservoir for a dry sump lubrication system can be mounted:

In a ______ sump system, the oil falls to the bottom of the engine into an oil collection pan.

The component that stops excess oil pressure from developing is called the oil:

Technician A says the pressure relief valve keeps the engine from becoming damaged if the oil filter clogs. Technician B says that the bypass valve prevents the engine from becoming damaged if the oil filter clogs. Who is correct?

Technician A says that the first parts of the engine to be lubricated are the crankshaft bearings. Technician B says that the rocker arms are the first engine parts to be lubricated. Who is correct?

Technician A says that all components inside an automotive engine are pressure or force fed the oil that they need. Technician B says that some components rely on splash lubrication to function properly. Who is correct?

Most small four-stroke gasoline engines use:

A _______ is a device that runs half-submerged in the engine oil.

In a wet sump system, oil is cooled:

Which of the following statements is true of a splash lubrication system?