CDL Practice Tests: Pre-Trip Inspection
Choose A Section:
Go!Which of the following is NOT one of the dash indicators you will look for during your pre-trip inspection?
- Four-way emergency flashers
- Air lines reversed indicator
- 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.
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 contaminates, such as debris or oil/grease.
- All these are correct
- Check for cracks, dents or holes. Also check for loose or missing bolts.
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 of the engine compartment, which of the following are you NOT looking for?
- Look for dripping fluids on the underside of the engine and transmission.
- Look for puddles on the ground.
- Make sure the air lines are properly attached to the trailer
- Inspect hoses for condition and leaks.
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.
What are two indications of loose lug nuts?
- All these are correct
- Low hub oil level or brakes squeaking
- Rusty trails or shiny threads
- Twisted or bent valve stem and over-inflated tires
For manual slack adjustors, the brake pushrod should not move more than _________ (with the brakes released) when pulled by hand.
- 2 inches
- 1 foot
- 6 inches
- 1 inch
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 for power steering fluid leaks or damage to power steering hoses
- Check that the steering box is securely mounted and not leaking
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.
When doing a pre-trip inspection of the power steering, play in the steering wheel should not exceed how much?
- 30 degrees (or about 6 inches on a 20-inch wheel) before the front left wheel barely moves.
- 20 degrees (or about 4 inches on a 20-inch wheel) before the front left wheel barely moves.
- 10 degrees (or about 2 inches on a 20-inch wheel) before the front left wheel barely moves.
- There should be zero degrees of play in the steering wheel
When inspecting a passenger bus, which of the following must be checked when inspecting emergency exits?
- Check that any emergency exit warning devices are working.
- Make sure the emergency exits operate smoothly and close securely from the inside
- All these are correct
- Make sure emergency exits are not damaged
Emergency Exits
- Make sure that all emergency exits are not damaged, operate smoothly and close securely from the inside.
- Check that any emergency exit warning devices are working.
During the pre-trip inspection test you must:
- 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
- Show that the vehicle is safe to drive
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
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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