Texas CVO Knowledge Exam (Texas
Rules) SR questions and answers
2024\2025 A+ Grade
The color of the clearance lamps on the front of a vehicle must be:
- correct answer Amber
When backing a large truck you should:
- correct answer Have someone guide you
Every trailer must have how many reflectors on the rear:
- correct answer Two
When turning right with a long vehicle or combination truck-trailer, if it is impossible to stay in the
proper lane, you should:
- correct answer Approach the corner about 4 feet from the curb or right edge of the roadway, then if
necessary complete the turn in the center of the street entered.
5. Motor vehicles must be equipped with turn indicator lamps of devices if:
- correct answer The body or load extends 24 inches or more to the left of the corner.
6. The greatest length allowed by state law for any combination truck or trạiler is:
- correct answer 65 feet.
7. The youngest age for licensing commercial operators is:
- correct answer 18 years.
, 8. All school buses, buses, taxis, and other vehicle hauling passengers for hire or lease must carry a
chemical type fire extinguisher of at least:
- correct answer One quart capacity.
9. Every bus or truck must be equipped on the rear with:
- correct answer Two stop lights.
10. The number of trailers that may be pulled by one vehicle on the open highway is determined by:
- correct answer Length limits.
11. Which of the following vehicles must have mud flaps when operated on public roads:
- correct answer All vehicles with four or more tires on the rear axle except single truck tractors and pole
trailers.
12. The top speed limit for heavy trucks on the open highway in the daytime is:
- correct answer 60 mph.
13. Clearance lights on the front of a vehicle must be:
- correct answer Amber.
14. When a truck breaks down on a highway in the daytime the driver should set out:
- correct answer Red triangles.
15. The greatest width allowed by State law for a truck including the load is:
- correct answer 102 inches. (8 1/2 feet)
16. Which of the following vehicle are required by State law to stop at railroad grade crossings, outside
city limits where no traffic control device is in operation?
- correct answer Buses carrying passengers for hire.
17. Signal turn indicators are required on motor vehicles when the body or load of the vehicle extends to
the left of the center of the steering wheel:
- correct answer 24 inches.
Rules) SR questions and answers
2024\2025 A+ Grade
The color of the clearance lamps on the front of a vehicle must be:
- correct answer Amber
When backing a large truck you should:
- correct answer Have someone guide you
Every trailer must have how many reflectors on the rear:
- correct answer Two
When turning right with a long vehicle or combination truck-trailer, if it is impossible to stay in the
proper lane, you should:
- correct answer Approach the corner about 4 feet from the curb or right edge of the roadway, then if
necessary complete the turn in the center of the street entered.
5. Motor vehicles must be equipped with turn indicator lamps of devices if:
- correct answer The body or load extends 24 inches or more to the left of the corner.
6. The greatest length allowed by state law for any combination truck or trạiler is:
- correct answer 65 feet.
7. The youngest age for licensing commercial operators is:
- correct answer 18 years.
, 8. All school buses, buses, taxis, and other vehicle hauling passengers for hire or lease must carry a
chemical type fire extinguisher of at least:
- correct answer One quart capacity.
9. Every bus or truck must be equipped on the rear with:
- correct answer Two stop lights.
10. The number of trailers that may be pulled by one vehicle on the open highway is determined by:
- correct answer Length limits.
11. Which of the following vehicles must have mud flaps when operated on public roads:
- correct answer All vehicles with four or more tires on the rear axle except single truck tractors and pole
trailers.
12. The top speed limit for heavy trucks on the open highway in the daytime is:
- correct answer 60 mph.
13. Clearance lights on the front of a vehicle must be:
- correct answer Amber.
14. When a truck breaks down on a highway in the daytime the driver should set out:
- correct answer Red triangles.
15. The greatest width allowed by State law for a truck including the load is:
- correct answer 102 inches. (8 1/2 feet)
16. Which of the following vehicle are required by State law to stop at railroad grade crossings, outside
city limits where no traffic control device is in operation?
- correct answer Buses carrying passengers for hire.
17. Signal turn indicators are required on motor vehicles when the body or load of the vehicle extends to
the left of the center of the steering wheel:
- correct answer 24 inches.
