TEXAS CDL QUESTIONS AND
ANSWERS ALREADY PASSED
What is the legal blood alcohol concentration (BAC) limit for commercial drivers in Texas?
The legal BAC limit for commercial drivers in Texas is 0.04%.
What should you do when approaching a railroad crossing with no signals or gates?
Slow d...
TEXAS CDL QUESTIONS AND
ANSWERS ALREADY PASSED
What is the legal blood alcohol concentration (BAC) limit for commercial drivers in Texas?
✔✔ The legal BAC limit for commercial drivers in Texas is 0.04%.
What should you do when approaching a railroad crossing with no signals or gates?
✔✔ Slow down, look both ways, and only proceed when it is safe and clear to cross.
Why is it important to avoid distractions while driving a commercial vehicle?
✔✔ Avoiding distractions helps maintain focus on the road, ensuring safety for the driver and
others on the road.
What is the minimum tire tread depth for front tires on a commercial vehicle in Texas?
✔✔ The minimum tire tread depth for front tires on a commercial vehicle in Texas is 4/32 of an
inch.
What is the maximum legal weight for a commercial vehicle on Texas highways?
✔✔ The maximum legal weight for a commercial vehicle on Texas highways is 80,000 pounds.
1
,When must you perform a post-trip inspection?
✔✔ A post-trip inspection must be performed at the end of each workday to identify any defects
or issues that need attention.
What should you do if your vehicle starts to skid on a Texas highway?
✔✔ Ease off the accelerator, steer in the direction of the skid, and avoid sudden braking until
control is regained.
How often should you check your mirrors while driving a commercial vehicle?
✔✔ Check your mirrors every 5 to 8 seconds to stay aware of surrounding traffic and conditions.
What is the purpose of the Texas CDL air brake check during the pre-trip inspection?
✔✔ The air brake check ensures the braking system is functioning properly, preventing brake
failure during operation.
What action should be taken if the ABS (Anti-lock Braking System) warning light comes on
while driving?
2
,✔✔ If the ABS warning light comes on, continue driving but have the system inspected as soon
as possible to ensure proper functioning.
What should you do if your brakes fail while driving downhill in Texas?
✔✔ If your brakes fail, downshift to a lower gear, use engine braking, and try to steer toward a
safe area to stop.
When is it mandatory to stop before crossing railroad tracks in Texas?
✔✔ It is mandatory to stop before crossing if the vehicle is carrying hazardous materials or if
there are warning signs, signals, or a flagman present.
How do you know when your vehicle is overloaded?
✔✔ Signs of an overloaded vehicle include difficulty in handling, longer stopping distances, and
excessive wear on the tires and suspension.
What is the maximum height allowed for a commercial vehicle in Texas?
✔✔ The maximum height allowed for a commercial vehicle in Texas is 14 feet.
3
, Why should you use low beams in foggy conditions?
✔✔ Low beams improve visibility in fog by reducing glare and helping you see the road more
clearly.
What must you do if you are involved in an accident in Texas while operating a commercial
vehicle?
✔✔ You must stop immediately, check for injuries, exchange information, and report the
accident to the authorities.
How can you check for proper tire inflation on a commercial vehicle?
✔✔ Use a tire pressure gauge to ensure the tires are inflated to the manufacturer’s recommended
pressure level.
Why is it important to check clearance heights before entering underpasses or bridges?
✔✔ Checking clearance heights prevents collisions with structures that are too low for the
vehicle to pass under.
What is the correct procedure for exiting a freeway in a commercial vehicle?
4
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