Chapter 10 Review

What would be an example of an SAE rating?  

• a.       SN

• b.      ACEA

• c.       ILSAC

• d.      5W-20

What would be an example of an API rating? 

• a.       SN

• b.      ACEA

• c.       ILSAC

• d.      5W-20

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

• a.       The oil was tested in Wyoming

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

• c.       The oil was tested for warm weather conditions

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

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

• a.       SAE 30

• b.      75W-140

• c.       5W-30

• d.      SAE 50

Lubrication ___________ friction. 

• a.       reduces

• b.      enhances

• c.       maximizes

• d.      increases

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

• a.       inefficiency

• b.      friction

• c.       cooling

• d.      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?   

• a.       synthetic

• b.      conventional

• c.       mineral

• d.      crude

Which of the following ratings would be a manufacturer specification?   

• a.       SAE

• b.      API

• c.       ILSAC

• d.      dexos1

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

• a.       detergents

• b.      dispersants

• c.       pour point depressants

• d.      antifoam agents

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

• a.       corrosion and rust inhibitors

• b.      extreme pressure agents

• c.       antioxidants

• d.      viscosity modifiers