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Free TX CDL Pre-Trip Inspection Practice Exam 2024

Part of mandatory Entry-Level Driver Training Course Based on 2024 TX commercial driver's license manualAvailable in EN, ES
20questions
4mistakes allowed
80%passing score

This CDL practice test is a great place to start if you’re after the TX Pre-Trip Inspection endorsement. Each of the 20 questions is based on the official 2024 CDL manual. The test is designed to prepare you for the Pre-Trip Inspection portion of your 2024 Commercial Driver’s License exam. There are several answer options, but only one of them is correct. Every time you answer a question, you’ll get immediate feedback with a detailed explanation, so you won’t need to wait until the end of the test to know the correct answers.

Perfect for

  • First-time TX CDL and CLP applicants
  • CDL holders adding endorsements
  • TX CDL renewal applicants
TX commercial driver's license

What to expect on the actual exam

How many questions20
How many correct answers to pass16
Passing score80%
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List of questions (classic view)

  1. What structure supporting the fifth wheel skid plate should be checked for cracks or breaks?
  2. You pump the pedal three times and hold it down for five seconds, making sure that the pedal does not move. What are you inspecting?
  3. What transmits power from the transmission to the drive axle?
  4. What carries air or hydraulic fluid to the wheel brake assembly?
  5. ________ are gas or hydraulic devices that cushion the vehicle's ride and stabilize the vehicle.
  6. What is the sliding mechanism and locking device for tandem axles on trailers?
  7. What do you inspect to make sure that all are present and show no signs of looseness such as rust trails or shiny threads?
  8. What should you check to be sure it is solid, clear of objects, and securely bolted to the tractor frame?
  9. What maintains air pressure in the air brake system?
  10. Which tires should have a minimum tread depth of 4/32 inch?
  11. Which of the following can disengage the engine from the drivetrain?
  12. What transforms steering column action into wheel action?
  13. Make sure that the _________ are not cut, chafed, spliced, or worn, and not tangled, pinched, or dragged against tractor parts.
  14. You are looking for puddles on the ground and dripping fluids on the underside of the engine and transmission. What are you checking for?
  15. What should be fully engaged with no loose or missing pins in the slide mechanism of the sliding fifth wheel?
  16. To improve visibility during severe or stormy weather, __________ must be secure, undamaged, and operating smoothly and correctly.
  17. _________ should be clean with no dirt, illegal stickers, obstructions, or damage.
  18. _________ are the brackets, bolts, or bushings that are used to attach the spring or air bag to the axle and vehicle frame.
  19. If the wheel has a sight glass, check that the oil level is adequate. Otherwise, look for leaks around the
  20. What releases the fifth wheel locking jaws so the trailer can be coupled?

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