WASHINGTON DOUBLES TRIPLES PRACTICE CDL TEST

11. It may not be safe to operate at legal maximum weights:
in hot weather.
on two-way streets.
during bad weather or in mountains.
12. To reduce the chance of rollover, you should:
put the lightest parts of the cargo under the heaviest parts.
place the cargo as high as possible inside the trailer.
distributed the cargo as low as possible inside the trailer.
13. Cargo should be properly covered:
to protect the weather from the cargo.
to block your view or someone else’s.
to protect people from spilled cargo.
14. If you are feeling sleepy, you should:
pull off the road and rest or take a nap.
slow down and drive on the shoulder of the road.
increase your speed to get to the destination quicker.
15. Brake lag is:
the amount of air pressure required to stop the vehicle.
the time required for the air brakes to work after the brake pedal is pushed.
the distance your vehicle will travel, in ideal conditions, while you are braking.
16. How should you brake if your vehicle loses ABS?
Step on and off the brake pedal several times
Pump the brake repeatedly
Brake as you always have.
17. You can determine if your vehicle is equipped with ABS (anti-lock braking system) by:
checking for a yellow ABS malfunction lamp on the instrument panel.
checking if your vehicle was manufactured after March 1, 1998.
All of the above.
18. When more cargo is piled up in a truck, the center of gravity moves:
to the left side of the truck.
higher up from the road.
closer to the ground.
19. You must have at least _____ inch tread depth in every major groove on front tires.
2/32
6/32
4/32
20. When parking a trailer without spring brakes, it is very important for safety that you use wheel chocks. Why?
You may not notice a major leak in the service line until you try to put the brakes on.
The air could leak out of the trailer air tank, releasing its emergency brakes.
if you don't use wheel chocks, supply air will be sent to the service line instead of going to charge the trailer air tanks.
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