CDL Practice Tests: Pre-Trip Inspection
Choose A Section:
Go!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:
- Strobe light indicator, if equipped.
- All these are correct
- Alternately flashing amber lights indicator, if equipped.
- Alternately flashing red lights indicator.
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.
Which of the following is NOT one of the dash indicators you will look for during your pre-trip inspection?
- Left turn signal indicator
- Four-way emergency flashers
- Air lines reversed 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.
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?
- 60-80 psi
- 80 - 100 psi
- 10-30 psi
- 20-45 psi
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.
- 30 degrees (or about 6 inches on a 20-inch wheel) before the front left wheel barely moves.
- There should be zero degrees of play in the steering wheel
- 20 degrees (or about 4 inches on a 20-inch wheel) before the front left wheel barely moves.
When doing an air brake system leak check, which of the following is the correct setup for the test?
- 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
- 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 running, chock your wheels, (if necessary), and engage the tractor parking valve and trailer parking valve
- None of these are correct
When doing a pre-trip inspection, which of the following is NOT one of the required pieces of emergency equipment you must have?
- A basic tool kit
- A properly charged and rated fire extinguisher
- Spare electrical fuses, unless circuit breaker equipped vehicle.
- 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.
What do you check for with the safety belt during a pre-trip inspection?
- All these are correct
- The belt is securely mounted
- The belt is not ripped or frayed
- The belt adjusts and latches properly
For manual slack adjustors, the brake pushrod should not move more than _________ (with the brakes released) when pulled by hand.
- 1 inch
- 2 inches
- 1 foot
- 6 inches
When doing an emergency system check on air brake systems, how do you begin the test?
- Turn electrical power on 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
- Turn electrical power off and begin fanning off the air pressure by rapidly applying and releasing the foot brake
- Turn the engine on and begin fanning off the air pressure by rapidly applying and releasing the foot brake
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.
- Check for cracks, dents or holes. Also check for loose or missing bolts.
- All these are correct
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.
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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