WEST VIRGINIA CDL DOUBLES TRIPLES PRACTICE TEST

11. For a cargo fire in a box trailer, you should:
open the doors immediately and use the fire extinguisher.
use the fire extinguisher on the doors.
keep the doors shut.
wait 10 minutes before opening the doors.
12. Doubles and triples:
have a lower chance of skidding.
can be stopped suddenly due to their weight.
can't be turned suddenly.
can be turned suddently due to the low center of gravity.
13. Air tanks usually hold enough compressed air to allow the brakes to be used _________ even if the compressor stops working.
for one day
for 3 days
for one stop
several times
14. When going down a steep downgrade, you should primarily brake using:
the emergency brake.
the braking effect of the engine.
the service brakes.
the parking brake.
15. Headache racks:
protect you from being hit by your cargo.
can blind other drivers.
help you keep weights within legal limits.
None of the above.
16. When stopping you should push the brake pedal down:
quickly.
repeatedly.
gradually.
as hard as you can.
17. You are driving a modern truck with a manual transmission. When going down a hill you should usually:
use the same gear you would use to go up the hill.
shift into neutral and coast.
downshift after your speed has already built up.
use a lower gear than would be required to go up the hill.
18. When checking the engine compartment in a vehicle inspection, you should check all of the following except:
Shock absorbers
Coolant level in radiator
Engine oil level
Windshield washer fluid level
19. Which of the following is NOT correct? Anti-lock brakes:
help drivers avoid skids caused by over braking.
help drivers avoid wheel lock up.
require drivers to apply the brakes as hard as they can without locking the wheels.
give drivers more control over the vehicle during braking.
20. Another name for front-end header boards is:
headache racks.
containerized racks.
cargo stopper.
head belt.
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