Chapter 22 Engine Oil Quiz

Two technicians are discussing oil filters. Technician A says that the oil will remain perfectly clean if just the oil filter is changed regularly. Technician B says that oil filters can filter particles smaller than the human eye can see. Which technician is correct? (Text page 218)

• Technician A only

• Technician B only

• Both Technicians A and B

• Neither Technician A nor B

Most conventional (mineral) oil is made from what API group? (Text page 215)

• Group I

• Group II

• Group III

• Group IV or V

Which of the following is true of the properties of engine oil? (Text page 213)

• Engine oil gets thinner when it is cooled.

• Engine oils should not be miscible.

• Engine oil viscosity changes with temperature.

• Engine oil pour point is the highest temperature at which oil will pour.

Which rating is the ACEA rating specified for use by many European vehicle manufacturers? (Text page 215)

• SAE

• A3/B3

• SM

• GF-4

Which of the following is NOT a characteristic of satisfactory engine oil? (Text page 212)

• Resist foaming

• Provides dry friction between moving parts

• Proper viscosity

• Pours at low temperatures

The “W” in SAE 5W-20 means ________. (Text page 213)

• weight

• winter

• with

• without

Technician A says that all high mileage oils are synthetic. Technician B says that synthetic and mineral oils are miscible. Which technician is correct? (Text pages 216-217)

• Technician A only

• Technician B only

• Both Technicians A and B

• Neither Technician A nor B

The purpose of the oil filter bypass valve is to_________. (Text page 218)

• allow oil to bypass the filter if the filter becomes clogged

• keep the oil from draining out of the filter when the engine is off and the oil pressure drops to zero

• allows oil to bypass the oil filter when the oil is hot to help cool the oil

• Both a and b

Technician A says that the engine oil used should meet the vehicle manufacturer’s standards. Technician B says that an oil with the specified API rating and SAE viscosity rating should be used in an engine. Which technician is correct? (Text page 217)

• Technician A only

• Technician B only

• Both Technicians A and B

• Neither Technician A nor B

Oil change intervals as specified by the vehicle manufacturer ______________. (Text page 218)

• are maximum time and mileage intervals

• are minimum time and mileage intervals

• only include miles driven between oil changes

• generally only include time between oil changes