CDL Practice Tests: Pre-Trip Inspection
Choose A Section:
Go!When doing a pre-trip inspection, how much of a gap should there be between the 5th wheel and the trailer?
- No less than 2 inches
- 1 inch
- No gap
- 1/4 inch
When doing a pre-trip inspection of the engine compartment, which of the following are you NOT looking for?
- Look for puddles on the ground.
- Inspect hoses for condition and leaks.
- Look for dripping fluids on the underside of the engine and transmission.
- Make sure the air lines are properly attached to the trailer
Engine Compartment (Engine Off) Leaks/Hoses
- Look for puddles on the ground.
- Look for dripping fluids on underside of engine and transmission.
- Inspect hoses for condition and leaks.
When doing an emergency system check on air brake systems, the tractor parking valve and the trailer parking valve should close (pop out) when the pressure gets below what reading?
- 80 - 100 psi
- 20-45 psi
- 60-80 psi
- 10-30 psi
In addition to checking the lighting indicators listed in Section 10.2 of this manual, school bus drivers must also check which of the following lighting indicators:
- Alternately flashing red lights indicator.
- All these are correct
- Strobe light indicator, if equipped.
- Alternately flashing amber lights indicator, if equipped.
In addition to checking the lighting indicators listed in Section 10.2 of this manual, school bus drivers must also check the following lighting indicators (internal panel lights):
- Alternately flashing amber lights indicator, if equipped.
- Alternately flashing red lights indicator.
- Strobe light indicator, if equipped.
When checking the steering box components under the hood, what should you check for?
- Look for any missing nuts, bolts and cotter keys
- All these are correct
- Check that the steering box is securely mounted and not leaking
- Check for power steering fluid leaks or damage to power steering hoses
Steering Box/Hoses
- Check that the steering box is securely mounted and not leaking. Look for any missing nuts, bolts and cotter keys.
- Check for power steering fluid leaks or damage to power steering hoses.
Which is the proper procedure for checking hydraulic brakes?
- Pump the brake pedal three times and then hold it down for five seconds. The brake pedal should not move (depress) during the five seconds.
- Hold the brake pedal down. Make sure the pedal slowly moves all the way to the floor within 10 seconds
- All these are correct
- Pump the brake three times and watch the hydraulic pressure gauge to make sure it's building pressure
Hydraulic Brake Check (if equipped)
- Pump the brake pedal three times and then hold it down for five seconds. The brake pedal should not move (depress) during the five seconds.
- If equipped with a hydraulic brake reserve (back-up) system, with the key off, depress the brake pedal and listen for the sound of the reserve system electric motor.
- Check that the warning buzzer or light is off.
During the pre-trip inspection test you must:
- Explain to the examiner what you are checking and why
- All these are correct
- Show that the vehicle is safe to drive
- Walk around the vehicle and point to or touch each item
Which is the proper procedure for checking the trailer parking brakes?
- Measure the distance between the parking brake shoe and the drum. Make sure it is less than 1 inch
- Check the angle of the S-cam coming out of the brake chamber
- Gently trying to pull forward with the trailer parking brake on
- All these are correct
What should you check for on drum brakes during a pre-trip inspection?
- All these are correct
- Check for cracks, dents or holes. Also check for loose or missing bolts.
- Brake linings (where visible) should not be worn dangerously thin.
- Check for contaminates, such as debris or oil/grease.
Drum Brake
- Check for cracks, dents or holes. Also check for loose or missing bolts.
- Check for contaminates, such as debris or oil/grease.
- Brake linings (where visible) should not be worn dangerously thin.
In addition to checking for spare electrical fuses (if equipped), three red reflective triangles and a properly charged and rated fire extinguisher, school bus drivers must also inspect which of the following emergency equipment?
- Tool kit and tire patching kit
- Emergency flares and flashlight
- None of these are correct
- First aid kit and body fluid cleanup kit
In addition to checking for spare electrical fuses (if equipped), three red reflective triangles and a properly charged and rated fire extinguisher, school bus drivers must also inspect the following emergency equipment:
- First Aid Emergency Kit
- Body Fluid Cleanup Kit
About The Pre-Trip Inspectin CDL Exam
The The Pre-Trip Inspectin portion of the CDL Exam is required to obtain your CDL. During the pre-trip inspection, you must show that the vehicle is safe to drive. You may have to walk around the vehicle and point to or touch each item and explain to the examiner what you are checking and why. You will NOT have to crawl under the hood or under the vehicle.
Drivers need to have knowledge of how the actual vehicle(s) that they are conducting the test in operate. The drivers need to be able to explain and demonstrate different checks for the examiner as requested.
Taking the CDL Pre-trip Inspection Test
Class A Pre-trip Inspection Test
If you are applying for a Class A CDL, you will be required to perform a pre-trip inspection in the vehicle you have brought with you for testing. The vehicle must be a combination vehicle, representative of the unit you will be driving and must meet the class weight requirements. If the vehicle is an air brake vehicle, you must first pass the air brake knowledge test. You also must have passed all applicable endorsement knowledge tests that pertain to the vehicle you bring in for testing. Your test will require an inspection of the areas of the vehicle as instructed by your CDL examiner.
Class B and C Pre-trip Inspection Test
If you are applying for a Class B or C CDL, you will be required to perform a pre-trip inspection in the vehicle you have brought with you for testing. The vehicle must be a straight truck, passenger bus or school bus, representative of the vehicle you will be driving and must meet the class weight requirements. If the vehicle is an air brake vehicle, you must first pass the air brake knowledge test. You also must have passed all applicable endorsement knowledge tests that pertain to the vehicle you bring in for testing. Your test will require an inspection of the areas of the vehicle as instructed by your CDL examiner.
TruckingTruth's Pre-Trip Inspection Study Guide
We have an excellent Pre-trip Inspection Study Guide which includes a complete pre-trip inspection with photos and descriptions, numerous pre-trip inspection videos, and a complete vehicle checklist.
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