Texas CDL: General Knowledge
Questions and Answers Latest Version
100% Pass
What is the primary purpose of a pre-trip inspection?
✔✔ To ensure the vehicle is safe to operate on the road.
What should you do if your brakes fail while driving downhill?
✔✔ Downshift to a lower gear and use the parking brake to stop safely.
Why should you use caution when driving in construction zones?
✔✔ There are workers, uneven surfaces, and changing traffic patterns.
How far ahead should you look while driving to anticipate hazards?
✔✔ 12 to 15 seconds ahead.
What is the proper way to use a fire extinguisher in case of a vehicle fire?
✔✔ Aim at the base of the fire and use a sweeping motion.
1
,What is the most important reason to do a vehicle inspection?
✔✔ To prevent accidents caused by mechanical failure.
Why should you avoid overloading your vehicle?
✔✔ It can damage the vehicle and make handling more difficult.
When should you downshift on a steep downgrade?
✔✔ Before starting down the hill.
What is the purpose of the suspension system on a commercial vehicle?
✔✔ To support the load and maintain vehicle stability.
How do you test the parking brake on your vehicle?
✔✔ Apply the parking brake and gently try to pull forward.
What should you do if your vehicle hydroplanes?
✔✔ Ease off the accelerator and steer straight until traction is regained.
2
, Why is it important to use turn signals?
✔✔ To communicate your intentions to other drivers.
What is the minimum tread depth for front tires?
✔✔ 4/32 of an inch.
What should you do if you encounter a strong wind gust while driving?
✔✔ Reduce speed and maintain a firm grip on the steering wheel.
How do you check if your cargo is secure?
✔✔ Inspect straps, chains, and covers regularly during the trip.
What is the first thing you should do before backing up your vehicle?
✔✔ Check your surroundings and use a helper if available.
Why is it important to avoid sudden steering movements?
✔✔ To prevent the vehicle from rolling over or losing control.
3
Questions and Answers Latest Version
100% Pass
What is the primary purpose of a pre-trip inspection?
✔✔ To ensure the vehicle is safe to operate on the road.
What should you do if your brakes fail while driving downhill?
✔✔ Downshift to a lower gear and use the parking brake to stop safely.
Why should you use caution when driving in construction zones?
✔✔ There are workers, uneven surfaces, and changing traffic patterns.
How far ahead should you look while driving to anticipate hazards?
✔✔ 12 to 15 seconds ahead.
What is the proper way to use a fire extinguisher in case of a vehicle fire?
✔✔ Aim at the base of the fire and use a sweeping motion.
1
,What is the most important reason to do a vehicle inspection?
✔✔ To prevent accidents caused by mechanical failure.
Why should you avoid overloading your vehicle?
✔✔ It can damage the vehicle and make handling more difficult.
When should you downshift on a steep downgrade?
✔✔ Before starting down the hill.
What is the purpose of the suspension system on a commercial vehicle?
✔✔ To support the load and maintain vehicle stability.
How do you test the parking brake on your vehicle?
✔✔ Apply the parking brake and gently try to pull forward.
What should you do if your vehicle hydroplanes?
✔✔ Ease off the accelerator and steer straight until traction is regained.
2
, Why is it important to use turn signals?
✔✔ To communicate your intentions to other drivers.
What is the minimum tread depth for front tires?
✔✔ 4/32 of an inch.
What should you do if you encounter a strong wind gust while driving?
✔✔ Reduce speed and maintain a firm grip on the steering wheel.
How do you check if your cargo is secure?
✔✔ Inspect straps, chains, and covers regularly during the trip.
What is the first thing you should do before backing up your vehicle?
✔✔ Check your surroundings and use a helper if available.
Why is it important to avoid sudden steering movements?
✔✔ To prevent the vehicle from rolling over or losing control.
3
