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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 Tennessee 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. Which of the following is a suspension system defect?
Leaking shock absorbers
Leaking brake fluid
Loose exhaust pipes
Leaking power steering cylinder
2. When checking the engine compartment in a vehicle inspection, you should check all of the following except:
Windshield washer fluid level
Shock absorbers
Engine oil level
Coolant level in radiator
3. Which of these is NOT something you should check during the pre-trip inspection of the engine compartment?
Engine oil level
Brake controls
Coolant level in radiator
Worn electrical wiring insulation
4. When checking tires as part of the pre-trip inspection, you should check for all of the following except:
cracked valve stems.
tread separation.
that all tires come from the same manufacturer.
minimum tread depth.
5. During the pre-trip inspection, when starting the engine you should:
press the brake pedal.
fasten your safety belt.
listen for unusual noises.
check the coolant level in the radiator.
6. Without engine oil:
traction will be reduced.
exhaust emissions will be reduced.
the engine can be destroyed rapidly.
the ABS won't work.
7. Which of the following is a key component of the steering system?
Spring Shackle
Leaf spring
Anchor plate
Gear box
8. What is the most important reason for doing a vehicle inspection?
To avoid fines.
It's required by law.
Safety for yourself and for other road users.
Liability insurance.
9. What should you do to test your vehicle's low air pressure warning signal?
Release the parking brake valve and the tractor protection valve and reduce the air pressure by stepping on and off the brake pedal.
With the key in the "on" or "battery charge" position, rapidly apply and release the foot brake.
Pump the brakes until the air pressure drops below 80 psi.
With the engine running, put the vehicle in a forward gear and attempt to drive forward.
10. Which of the following is NOT a key part of the steering system?
Leaf spring
Gear box
Tie rod
Pitman arm
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TN Vehicle Inspection Test

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