Texas CDL Section 14 Questions and
Answers Latest Version Already
Graded A
What is the maximum height for a commercial vehicle in Texas?
✔✔ 14 feet.
What is the maximum allowable width for a commercial vehicle in Texas?
✔✔ 8 feet, 6 inches.
What is the maximum weight allowed on a single axle in Texas?
✔✔ 20,000 pounds.
What is the purpose of performing a pre-trip inspection?
✔✔ To ensure the vehicle is safe to operate and free of defects.
What should you check for during a walk-around inspection?
✔✔ Look for damaged parts, fluid leaks, and ensure all lights and reflectors are functioning
properly.
1
,What is the proper braking technique when going downhill with a heavy load?
✔✔ Use a low gear and apply brakes intermittently to maintain control.
What is the main cause of most skids in commercial vehicles?
✔✔ Driving too fast for road conditions.
What should you do if your brakes fail while driving?
✔✔ Downshift to a lower gear and use the emergency braking system.
Why is it important to know your vehicle's clearance height?
✔✔ To avoid hitting low overpasses or bridges.
What is the purpose of checking your mirrors frequently while driving?
✔✔ To stay aware of traffic around your vehicle and detect any potential hazards.
What is off-tracking, and why does it occur?
2
, ✔✔ Off-tracking happens when the rear wheels of a vehicle follow a different path than the front
wheels, especially during turns.
What is the first step in coupling a trailer to a tractor?
✔✔ Inspect the fifth wheel for damage and proper lubrication.
What could cause a trailer to skid?
✔✔ Over-braking or locking the trailer wheels.
What should you do if you encounter a low bridge and you are unsure if your vehicle will clear
it?
✔✔ Stop and verify the height before proceeding.
What is the proper procedure for securing cargo on a flatbed trailer?
✔✔ Use straps, chains, and binders to ensure the load is stable and secure.
What are the three emergency signals you must carry in your vehicle?
✔✔ Warning triangles, flares, and a fire extinguisher.
3
Answers Latest Version Already
Graded A
What is the maximum height for a commercial vehicle in Texas?
✔✔ 14 feet.
What is the maximum allowable width for a commercial vehicle in Texas?
✔✔ 8 feet, 6 inches.
What is the maximum weight allowed on a single axle in Texas?
✔✔ 20,000 pounds.
What is the purpose of performing a pre-trip inspection?
✔✔ To ensure the vehicle is safe to operate and free of defects.
What should you check for during a walk-around inspection?
✔✔ Look for damaged parts, fluid leaks, and ensure all lights and reflectors are functioning
properly.
1
,What is the proper braking technique when going downhill with a heavy load?
✔✔ Use a low gear and apply brakes intermittently to maintain control.
What is the main cause of most skids in commercial vehicles?
✔✔ Driving too fast for road conditions.
What should you do if your brakes fail while driving?
✔✔ Downshift to a lower gear and use the emergency braking system.
Why is it important to know your vehicle's clearance height?
✔✔ To avoid hitting low overpasses or bridges.
What is the purpose of checking your mirrors frequently while driving?
✔✔ To stay aware of traffic around your vehicle and detect any potential hazards.
What is off-tracking, and why does it occur?
2
, ✔✔ Off-tracking happens when the rear wheels of a vehicle follow a different path than the front
wheels, especially during turns.
What is the first step in coupling a trailer to a tractor?
✔✔ Inspect the fifth wheel for damage and proper lubrication.
What could cause a trailer to skid?
✔✔ Over-braking or locking the trailer wheels.
What should you do if you encounter a low bridge and you are unsure if your vehicle will clear
it?
✔✔ Stop and verify the height before proceeding.
What is the proper procedure for securing cargo on a flatbed trailer?
✔✔ Use straps, chains, and binders to ensure the load is stable and secure.
What are the three emergency signals you must carry in your vehicle?
✔✔ Warning triangles, flares, and a fire extinguisher.
3
