CDL Practice Tests: Pre-Trip Inspection
Choose A Section:
Go!When doing a pre-trip inspection, which of the following is NOT one of the required pieces of emergency equipment you must have?
- Three red reflective triangles, six fuses or three liquid burning flares.
- A basic tool kit
- Spare electrical fuses, unless circuit breaker equipped vehicle.
- A properly charged and rated fire extinguisher
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.
Which of the following is NOT one of the dash indicators you will look for during your pre-trip inspection?
- Air lines reversed indicator
- Left turn signal indicator
- Antilock Braking System (ABS) indicator
- Four-way emergency flashers
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.
When checking the suspension components, what should you check for?
- Look for missing, shifted, cracked or broken leaf springs.
- All these are correct
- Air ride suspension should be checked for damage and leaks.
- Look for broken or distorted coil springs.
Suspension Springs/Air/Torque
- Look for missing, shifted, cracked or broken leaf springs.
- Look for broken or distorted coil springs.
- If vehicle is equipped with torsion bars, torque arms or other types of suspension components, check that they are not damaged and are mounted securely.
- Air ride suspension should be checked for damage and leaks.
When doing an emergency system check on air brake systems, the low air warning device (buzzer, light, other) should activate when the pressure gets below what reading?
- 140 psi
- 60 psi
- 80 psi
- 100 psi
Re-grooved or re-capped tires are not permitted on:
- Drive tires
- Trailer tires
- Any tires
- Steer tires
The following items must be inspected on every tire:
- Tread depth: Check for minimum tread depth (4/32 on steering axle tires and 2/32 on all other tires).
- Tire condition: Check that tread is evenly worn and look for cuts or other damage to tread or sidewalls. Also, make sure that valve caps and stems are not missing, broken or damaged.
- Tire inflation: Check for proper inflation by using a tire gauge or a mallet. Note: You will not get credit if you simply kick the tires to check for proper inflation.
- That there is no mismatch tires (size and construction).
- Re-grooved or re-capped tires are not permitted on bus steer tires.
When doing an air brake system leak check, which of the following is the correct setup for the test?
- Build the air pressure until it is between 50 - 60 pounds, keep the engine running, chock your wheels, (if necessary), release the tractor parking valve and trailer parking valve
- With the air pressure built up to the governor cut-off (120-140 psi), shut off the engine, chock your wheels, (if necessary), release the tractor parking valve and trailer parking valve
- None of these are correct
- With the air pressure built up to the governor cut-off (120-140 psi), shut off the engine running, chock your wheels, (if necessary), and engage the tractor parking valve and trailer parking valve
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?
- Emergency flares and flashlight
- Tool kit and tire patching kit
- 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
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 power steering, play in the steering wheel should not exceed how much?
- 10 degrees (or about 2 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.
- There should be zero degrees of play in the steering wheel
- 30 degrees (or about 6 inches on a 20-inch wheel) before the front left wheel barely moves.
When doing an emergency system check on air brake systems, how do you begin the test?
- Turn the engine on and begin fanning off the air pressure by rapidly applying and releasing the foot brake
- Turn electrical power on and begin fanning off the air pressure by rapidly applying and releasing the foot brake
- Turn electrical power off and begin fanning off the air pressure by rapidly applying and releasing the foot brake
- Turn off the electrical power and begin fanning off the air pressure by pulling out the red parking brake knob
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.
Why Join Trucking Truth?
- The High Road Training Program
- The High Road Article Series
- The Friendliest Trucker's Forum Ever!
- Email Updates When New Articles Are Posted
Apply For Paid CDL Training Through TruckingTruth
Did you know you can fill out one quick form here on TruckingTruth and apply to several companies at once for paid CDL training? Seriously! The application only takes one minute. You will speak with recruiters today. There is no obligation whatsoever. Learn more and apply here:
TT On Facebook