CDL Practice Tests: Pre-Trip Inspection
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Go!When doing an emergency system check on air brake systems, how do you begin the test?
- 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 electrical power on 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
Re-grooved or re-capped tires are not permitted on:
- Steer tires
- Any tires
- Drive tires
- Trailer 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.
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.
- Check for contaminates, such as debris or oil/grease.
- 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.
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
When doing a pre-trip inspection, what should you check on the battery box?
- Battery connections should not show signs of excessive corrosion
- 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/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.
For manual slack adjustors, the brake pushrod should not move more than _________ (with the brakes released) when pulled by hand.
- 1 inch
- 6 inches
- 2 inches
- 1 foot
During the pre-trip inspection test you must:
- Walk around the vehicle and point to or touch each item
- Explain to the examiner what you are checking and why
- Show that the vehicle is safe to drive
- All these are correct
When inspecting a passenger bus, which of the following must be checked when inspecting emergency exits?
- All these are correct
- Make sure emergency exits are not damaged
- Check that any emergency exit warning devices are working.
- Make sure the emergency exits operate smoothly and close securely from the inside
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.
What do you check for with the safety belt during a pre-trip inspection?
- The belt is not ripped or frayed
- The belt adjusts and latches properly
- All these are correct
- The belt is securely mounted
What should you check for when checking the landing gear on the trailer?
- Check that the landing gear is fully raised
- Make sure there are no missing parts
- All of these are correct
- Make sure the crank handle is secured and the support frame is not damaged
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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