Texas CDL general knowledge exam 2026-2027
Version A, CDL test study guide PDF, Texas
commercial driver license questions, CDL practice
test 2025, Texas DPS CDL prep, verified CDL answers
You are testing the stopping action of service brakes on a
hydraulic system. Which of these can mean there is a
problem? - ANSWER-(all) The brake pedal goes to the
floor; stopping action is delayed; the vehicle pulls to one
side when the brake pedal is pressed.
While driving, ice builds up on your wipers and they no
longer clean the windshield. You should: - ANSWER-Stop
safely and fix the problem.
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Which of these statements about driving in areas with
strong winds is true? - ANSWER-Winds are a big problem
when a truck comes out of tunnels.
What is counter-steering? - ANSWER-Turning the wheel
back in the other direction after steering to avoid a traffic
emergency.
To help you stay alert while driving, you should: -
ANSWER-Take short breaks before you get drowsy.
You do not have a Hazardous Materials Endorsement on
your Commercial Driver's License. You can drive a vehicle
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hauling hazardous materials when: - ANSWER-The
vehicle does not require placards.
Cargo inspections: - ANSWER-Should be performed as
part of your pre-trip inspection, again within the first 50
miles of your trip, then again after you have driven 3 hours
or 150 miles, and after every break you take during
driving.
Retarders: - ANSWER-Can cause the drive wheels to skid
when they have poor traction.
You are driving a new truck with a manual transmission.
What gear will you probably have to use to take a long,
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steep downhill grade? - ANSWER-A lower gear than you
would use to climb the hill.
Which of these statements about speed management is
true? - ANSWER-You should choose a speed that lets you
stop within the distance that you can see ahead.
Which of these best describes how you should use the
brake pedal on a steep downhill grade? - ANSWER-
Snubbing
Which of these statements about double clutching and
shifting is true? - ANSWER-You can use the tachometer to
tell you when to shift.