Inspection, Fluids, and Lubrication

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

• The oil was tested for vehicles that have a W in their name
• The oil was tested for winter weather temperatures a 0 degrees Fahrenheit
• The oil was tested for warm weather conditions
• The oil was tested in Wyoming

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

• SAE 30
• 5W-30
• 75W-140
• SAE 50

What is the rim diameter of a tire that is P205/75R16?

• 205 inch
• 75 mm
• 16 mm
• 16 inch

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?

• conventional
• synthetic
• mineral
• crude

When checking hose conditions, which would indicate the need for replacement?

• Softening
• Hardening
• Cracks or abrasions
• All of the above

All of these fluids can be checked with the engine off except:

• Engine oil
• Brake fluid
• Transmission fluid
• Windshield washer fluid

Engine coolant consists of ________

• water and antifreeze
• oil and antifreeze
• water and stop leak
• water only

The "W" in 5w30 stands for what?

• Wiscosity
• Water
• Wear
• Winter

Which of the following is not a function of the lubrication system?

• Removing contaminants from inside the engine
• Maintaining smooth power flow through drivetrain
• Cutting power los; increasing fuel economy
• Reducing friction and wear between moving parts