What would be an example of an SAE rating?   

• SN

• ACEA

• ILSAC

• 5W-20

What would be an example of an API rating?  

• SN

• ACEA

• ILSAC

• 5W-20

What does the W after a rating in 5W-20 signify?  

• The oil was tested in Wyoming

• The oil was tested for winter weather temperatures at 0ºF (-18 ºC) 

• The oil was tested for warm weather conditions

• The oil was tested for vehicles that have a W in their name

Which of the following is considered a common multigrade engine oil?   

• SAE 30

• 75W-140

• 5W-30

• SAE 50

 Lubrication ___________ friction.  

• reduces

• enhances

• maximizes

• increases

What is the term used to describe the process when gas escapes past the piston rings and into the crankcase?  

• inefficiency

• friction

• cooling

• blow-by

What type of oil results in low levels of impurities, increases lubricating abilities, reduces sludge from forming, and protects at extremely high temperatures?    

• synthetic

• conventional

• mineral

• crude

 Which of the following ratings would be a manufacturer specification?    

• SAE

• API

• ILSAC

• dexos1

What type of engine oil additive keeps contaminants suspended to help prevent sludge from forming?    

• detergents

• dispersants

• pour point depressants

• antifoam agents

What type of engine oil additive helps prevent high temperature oil from becoming too thin?    

• corrosion and rust inhibitors

• extreme pressure agents

• antioxidants

• viscosity modifiers