HTD Chapter 18

1. Vehicles use the greatest amount of fuel when:

• Accelerating
• Braking
• Idling
• Turning

2. _______________ should be considered when purchasing tires.

• Tire quality
• Tread life
• Traction rating
• All of the above

3. The recommended tire air pressure can typically be found:

• In the owners manual
• On a placard typically located on the driver's doorjamb
• On the side of the tire
• All of the above
• Both A & B

4. To be safe to use, your vehicle's tires should have a minimum tread depth of:

• 2/32 of an inch
• 4/32 of an inch
• 1/4 of an inch
• The thickness of a full penny

5. Engine oil should be changed:

• Every 3000 miles
• Every 5,000 miles
• Every 7,500 miles
• According to the maintenance schedule in your owners manual

6. To maximize fuel economy, you should (choose 4):

• Only turn off your car if you are idling for more than 2 minutes
• Accelerate smoothly and slowly
• Avoid turning the wheel more than necessary
• When needing to decelerate, lift of the accelerator as early and reasonable as possible
• Avoid excessive idling at stop by turning off your car at every long light

7. Which coin should now be used to check sufficient tire depth?

• Quarter
• Dime
• Penny
• Nickel
• Half Dollar

8. What can decrease fuel economy?

• Over inflation
• Under inflation
• Insufficient tread depth
• Using BP fuel

9. Emitting less harmful exhaust is an advantage of properly maintaining a vehicle.

• True
• False

10. If you see fluid under your vehicle and smell a syrup-like scent, what could the vehicle be leaking?

• Antifreeze (coolant)
• Windshield washer fluid
• Transmission fluid
• Engine oil
• Brake fluid