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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 fromforming?

• a. detergents
• b. dispersants
• c. pour point depressants
• d. antifoam agents