Texas Commercial Vehicle Operation
Questions and Answers | Latest
Version | 2025/2026 | Correct & Verified
What is the main purpose of a daily vehicle inspection report?
✔✔ To document the condition of the vehicle and report defects.
Why must commercial vehicles display their company name and USDOT number?
✔✔ For identification and regulatory compliance.
What should a driver do if a warning light comes on while driving?
✔✔ Safely pull over and check the issue.
Why is checking fluid levels before a trip important?
✔✔ To prevent mechanical failure.
What does a vehicle’s registration prove?
✔✔ Legal authority to operate on public roads.
Why must headlights be used during low visibility?
✔✔ To see the road and be seen by others.
What should a driver do if steering feels loose?
1
,✔✔ Stop driving and inspect the steering system.
Why are load limits enforced?
✔✔ To protect roads and prevent accidents.
What is the purpose of reflective tape on trucks?
✔✔ To improve visibility at night.
Why must brake pressure be checked before driving?
✔✔ To ensure braking ability.
What does “proper lane control” mean?
✔✔ Staying centered in the lane.
Why should turn signals be used early?
✔✔ To give other drivers advance notice.
What is the function of windshield defrosters?
✔✔ To clear fog and ice.
Why must mirrors be adjusted before driving?
✔✔ To reduce blind spots.
2
, What is the purpose of a safety inspection sticker?
✔✔ To show the vehicle passed inspection.
Why must drivers obey posted bridge weight limits?
✔✔ To prevent structural damage.
What does “engine overheating” indicate?
✔✔ Cooling system problems.
Why should doors be secured before driving?
✔✔ To prevent cargo loss.
What is the role of hazard flashers when stopped?
✔✔ To warn approaching traffic.
Why must air tanks be drained regularly?
✔✔ To remove moisture.
What does “roadside breakdown” require?
✔✔ Proper warning devices.
3
Questions and Answers | Latest
Version | 2025/2026 | Correct & Verified
What is the main purpose of a daily vehicle inspection report?
✔✔ To document the condition of the vehicle and report defects.
Why must commercial vehicles display their company name and USDOT number?
✔✔ For identification and regulatory compliance.
What should a driver do if a warning light comes on while driving?
✔✔ Safely pull over and check the issue.
Why is checking fluid levels before a trip important?
✔✔ To prevent mechanical failure.
What does a vehicle’s registration prove?
✔✔ Legal authority to operate on public roads.
Why must headlights be used during low visibility?
✔✔ To see the road and be seen by others.
What should a driver do if steering feels loose?
1
,✔✔ Stop driving and inspect the steering system.
Why are load limits enforced?
✔✔ To protect roads and prevent accidents.
What is the purpose of reflective tape on trucks?
✔✔ To improve visibility at night.
Why must brake pressure be checked before driving?
✔✔ To ensure braking ability.
What does “proper lane control” mean?
✔✔ Staying centered in the lane.
Why should turn signals be used early?
✔✔ To give other drivers advance notice.
What is the function of windshield defrosters?
✔✔ To clear fog and ice.
Why must mirrors be adjusted before driving?
✔✔ To reduce blind spots.
2
, What is the purpose of a safety inspection sticker?
✔✔ To show the vehicle passed inspection.
Why must drivers obey posted bridge weight limits?
✔✔ To prevent structural damage.
What does “engine overheating” indicate?
✔✔ Cooling system problems.
Why should doors be secured before driving?
✔✔ To prevent cargo loss.
What is the role of hazard flashers when stopped?
✔✔ To warn approaching traffic.
Why must air tanks be drained regularly?
✔✔ To remove moisture.
What does “roadside breakdown” require?
✔✔ Proper warning devices.
3
