Ch 10: Lubrication System

False

20W-50 flows better than 5W-30 in cold weather.

True

5W-30 would be better to use than 20W-50 in most vehicles in cold weather conditions

True

API rates the engine oil service on many engine oils.

True

ILSAC develops and identifies standards for gasoline-fueled engine oils.

reduces

Lubrication ___________ friction.

True

S in SM stands for spark ignition engines.

True

SN oils can replace SM oils.

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

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

blow-by

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

synthetic

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

SN

What would be an example of an API rating?

5W-20

What would be an example of an SAE rating?

5W-30

Which of the following is considered a common multi-viscosity engine oil?

False

synthetic oils are generally less expensive than conventional engine oil because they use less crude oil.

False

the oil warning light indicates that the engine has low or no oil pressure, this means that the oil needs changing.

True

the oil warning light indicates that the engine has low or no oil pressure, you should shut off your engine.

False

using synthetic oil you can increase oil change intervals from 3,000 to over 50,000 miles.