CDL Practice Tests: Pre-Trip Inspection
Choose A Section:
Go!When doing a pre-trip inspection of the engine compartment, which of the following are you NOT looking for?
- Inspect hoses for condition and leaks.
- Make sure the air lines are properly attached to the trailer
- Look for puddles on the ground.
- Look for dripping fluids on the underside of the engine and transmission.
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.
For manual slack adjustors, the brake pushrod should not move more than _________ (with the brakes released) when pulled by hand.
- 1 inch
- 1 foot
- 2 inches
- 6 inches
When checking the steering box components under the hood, what should you check for?
- Check for power steering fluid leaks or damage to power steering hoses
- Check that the steering box is securely mounted and not leaking
- All these are correct
- Look for any missing nuts, bolts and cotter keys
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.
What should you check for on drum brakes during a pre-trip inspection?
- Brake linings (where visible) should not be worn dangerously thin.
- Check for cracks, dents or holes. Also check for loose or missing bolts.
- All these are correct
- 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.
When doing a pre-trip inspection, which of the following is NOT one of the required pieces of emergency equipment you must have?
- Spare electrical fuses, unless circuit breaker equipped vehicle.
- A properly charged and rated fire extinguisher
- A basic tool kit
- Three red reflective triangles, six fuses or three liquid burning flares.
Emergency Equipment
- Check for spare electrical fuses, unless circuit breaker equipped vehicle.
- Check for three red reflective triangles, six fuses or three liquid burning flares.
- Check for a properly charged and rated fire extinguisher.
When doing a pre-trip inspection, what should you check on the battery box?
- All these are correct
- Battery(s) are secure, connections are tight and cell caps are present
- Battery box and cover or door must be secure
- Battery connections should not show signs of excessive corrosion
Battery/Box
- Wherever located, see that battery(s) are secure, connections are tight and cell caps are present.
- Battery connections should not show signs of excessive corrosion.
- Battery box and cover or door must be secure.
During the pre-trip inspection test you must:
- Show that the vehicle is safe to drive
- Walk around the vehicle and point to or touch each item
- All these are correct
- Explain to the examiner what you are checking and why
Which of the following is NOT one of the dash indicators you will look for during your pre-trip inspection?
- Air lines reversed indicator
- Four-way emergency flashers
- Left turn signal indicator
- Antilock Braking System (ABS) indicator
Test that dash indicators work when corresponding lights are turned on:
- Left turn signal
- Right turn signal.
- Four way emergency flashers.
- High-beam headlight.
- Antilock Braking System (ABS) indicator.
Which is the proper procedure for checking the trailer parking brakes?
- Gently trying to pull forward with the trailer parking brake on
- 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
- All these are correct
When inspecting the air and electrical connections to the trailer, which of the following items does NOT need to be checked?
- Check that trailer air connectors are sealed and in good condition.
- Make sure the trailer electrical plug is firmly seated and locked in place.
- Make sure glad hands are locked in place, free of damage and oil/grease that can cause air leaks.
- Make sure the brake fluid lines are properly attached and not leaking
Air/Electrical Connections
- Check that trailer air connectors are sealed and in good condition.
- Make sure glad hands are locked in place, free of damage and oil/grease that can cause air leaks.
- Make sure the trailer electrical plug is firmly seated and locked in place.
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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