SCHOOL BUS PRACTICE TEST WASHINGTON

The school bus endorsement applies to applicants who wish to drive a school bus in any Class A or B CDL. To add an S endorsement to your CLP/CDL, you must pass the Washington school bus test, and you must also pass skills tests in a school bus. The WA CDL bus test consists of 20 questions, and you'll need at least 16 correct answers to pass (80%). The knowledge test covers the following sections of the Washington CDL Manual: School Buses, Vehicle Inspection Test, Basic Control Skills Test and Road Test. After studying, take this WA CDL practice test to prepare for the actual bus test!

1. When driving in a construction zone, if a construction worker is near the road, you should:

further reduce your speed.
maintain a constant speed.
come to a complete stop.

2. To make the brakes work, air brakes use:

nitrogen.
compressed air.
hydraulic air.

3. At railroad-highway crossings, if the gate comes down after you have started across:

back up until you are completely off the tracks.
drive through the gate even if it means you will break it.
cross the tracks in a low gear.

4. When inspecting your bus, make sure that:

emergency exit handles are in safe working condition.
seats are safe for riders.
all of the above have been checked.

5. Buses must never carry:

tear gas.
small arms ammunition labeled ORM-D.
hospital supplies.

6. If a tire fails while you are driving, you should:

stay off the brake until your vehicle has slowed down.
call your supervisor for instructions.
stop on the roadway if possible.

7. Which of the following road surfaces freezes first?

Bridges
Open roads
Underpasses

small-arms ammunition labeled ORM-D.
emergency hospital supplies.
All of the above.

9. Rims with welding repairs:

are not safe.
can be used for tires in the rear of the vehicle.
can be used for tires in the front of the vehicle.

10. What should you do if your vehicle starts hydroplaning?

Accelerate slightly, then push in the clutch to slow down.
Release the accelerator and push in the clutch to let the wheels turn freely.
Apply the brakes and countersteer to regain control of the vehicle.

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Number of questions:	20
Correct answers to pass:	16
Passing score:	80%

SCHOOL BUS PRACTICE TEST WASHINGTON

WA CDL School Bus Test