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To obtain a CDL, you will be required to pass a vehicle inspection test. The vehicle inspection test, formerly known as pre-trip, is a skills test to see if you identify which features and equipment on the test vehicle should be inspected before driving. During the test, you will be asked to do an inspection of your vehicle. You will be expected to show your knowledge of the inspection process and you will be tested to see if you know whether your vehicle is safe to drive. During the CDL inspection test, DMV does not allow the use of testing aids, other than the vehicle inspection guide in the Washington CDL Manual. To prepare for the test, study the following sections of the CDL manual: Driving Safely and the Vehicle Inspection Test. If you do not pass the CDL inspection test, the other skills tests will be postponed.
1. During the vehicle inspection test, as you approach the vehicle you should (among other things):
look under the vehicle for fuel leaks.
check the area around the vehicle for low hanging wires.
All of the above.
2. When inspecting your vehicle for suspension system defects, look for:
cracked or broken spring hangers.
leaking shock absorbers.
All of the above.
3. What should you do to test your hydraulic brakes for leaks?
Pump the brake pedal five times, then apply pressure for three seconds.
Hold the brake pedal down for five seconds, then pump it three times.
Pump the brake pedal three times, then apply pressure to the pedal and hold for five seconds.
4. Check that the ____ belt is securely mounted, and adjusts, latches properly.
air compressor
5. When starting your vehicle, oil pressure should come up to normal:
in about a minute.
within seconds.
in about two minutes.
6. Vehicle inspections should be done routinely _______ operating the vehicle.
7. During the vehicle inspection, when asked to check the oil level you should:
indicate where the dipstick is located.
make sure the engine is off.
All of the above.
8. During the vehicle inspection, make sure that the _____ is in the engaged position and that the safety latch is in place.
release arm
locking jaw
9. Which of the following is NOT a tire problem to look for during the vehicle inspection?
Radial and bias-ply tires used together
All the tires are made by the same manufacturer
Recapped tires on the front of a school bus
10. During the vehicle inspection, when checking the tires you should:
ensure that valve caps are missing.
ensure that the tread is evenly worn.
check for the minimum tread depth (4/32 on all tires).
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WA CDL Inspection Test

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