CDL Pre-Trip Inspection Test 3 – Classic Mode

This is CDL Pre-Trip Inspection Test 3 in our original Classic Mode. Simply click in your answer to each CDL practice test question. When you’re finished, check your score and results. You can reset the test and retake it as needed.

This test is based on CDL Manual Section 11.1.2 Cab Check/Engine Start

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1. Make sure that the following makes an audible sound:

A Air leaks
B Hydraulic brake
C CB radio
D Air or electric horn

2. Inspect the emergency equipment to make sure it consists of:

A Charged and rated fire extinguisher
B Three red reflective triangles, 6 fusees or 3 liquid burning flares
C Spare electrical fuses
D All of the above

3. What should be clean with no illegal stickers, obstructions or damage to the glass?

A Lighting indicators
B Headlights
C Mirrors
D Windshield

4. With the parking brake engaged (and trailer brakes released if taking test in combination vehicle), check that the parking brake will hold vehicle by:

A Shift into low gear and gently try to pull forward
B Stay in neutral and increase RPM to 1500
C Shift into high gear and quickly let off the clutch
D All of the above

5. Check for excessive play by turning steering wheel back and forth. Play should not exceed:

A 10 degrees
B 20 degrees
C 45 degrees
D None of the above

6. Failure to perform all three components of the air brake check correctly will result in:

A Automatic failure of the vehicle inspection test.
B Immediate deduction of 10 points.
C Driver must start Pre-trip from the beginning.
D None of the above.

7. During the 1st component of the air brake check you must fully apply foot brake and:

A Hold it for one minute, seeing if air pressure drops more than 3 lbs in 1 minute for single vehicle
B Hold it for one minute, seeing if air pressure drops more than 4 lbs in 1 minute for combination vehicle
C Both A and B
D None of the above

8. During the 2nd component of the air brake check, turn electrical power on and begin fanning off the air pressure by rapidly applying and releasing the foot brake:

A Tractor protection valve (in combination vehicles) and parking brake valve should pop out before air pressure drops below 60 psi
B Low air warning devices (buzzer, light, flag) should activate before air pressure drops below 60 psi
C Low air warning devices (buzzer, light, flag) should activate before air pressure drops below 40 psi
D None of the above

9. During the 3rd component of the air brake check on a tractor-trailer combination vehicle, the tractor protection valve and parking brake valve should close (pop out) at approximately:

A 40 psi
B 60 psi
C Never
D Immediately after the low air warning devices activate

10. Which of the following are not mandatory emergency equipment?

A Spare electrical fuses (unless vehicle has circuit breakers)
B Properly charged and rated fire extinguisher
C Tire changing equipment
D Three red reflective triangles, 6 fusees or 3 liquid burning flares

End of Test #3

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Correct Answers:

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