CDL COMBINATION PRACTICE TEST WASHINGTON

11. Empty trucks require _____ stopping distances because empty vehicles have ______ traction.
greater; less
greater; more
less; more
12. The only way to stop a front-wheel skid is to:
countersteer.
let the vehicle slow down.
supply more power to the drive wheels.
13. Blocking _______________ to keep it from sliding.
is used in the front, back, and/or sides of a piece of cargo
is used only in the back of a piece of cargo
goes from the upper part of the cargo to the floor
14. After starting the engine, oil pressure should rise to a normal level:
within seconds.
within 6 minutes.
within 2 minutes.
15. To know how much space you should keep in front of you when driving at speeds below 40 mph, one good rule says you need at least ______ for each ______ of vehicle length.
1 second; 10 feet
1 second; 5 feet
2 seconds; 10 feet
16. You are coupling a tractor to a semi-trailer. You have backed up but are not yet under the trailer. Before backing under the semi-trailer, you should:
connect the electrical cord and check the air lines.
begin raising the landing gear.
supply air to the trailer system and lock the trailer brakes.
17. A bridge formula permits:
less maximum axle weight for axles that are far apart.
more maximum axle weight for axles that are closer together.
less maximum axle weight for axles that are close together.
18. A vehicle inspection should be done in the same order each time:
because it is required by law.
so you are less likely to forget something.
because the report must be written in that order.
19. _________ can make vehicle handling unsafe.
Poor ventilation
Poor weight balance
Dry roads
20. The parking brake:
should be used when you need to apply the brakes firmly.
should be used whenever you park.
should be used when driving in bad weather.
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