TEXAS CDL COMPREHENSIVE EXAM 2025/2026 QUESTIONS
AND ANSWERS RATED A+
✔✔Which of these statements about staying alert to drive is true? - ✔✔the only thing
that cures fatigue is sleep
✔✔You are driving on a two lane road. An oncoming driver drifts into your lane and is
headed straight for you. Which of these is generally the best action? - ✔✔steer to the
right
✔✔You should avoid driving through deep puddles or flowing water. But if you must,
which of these steps can help keep your brakes working? - ✔✔gently pressing the
brake pedal while driving through the big ass puddle
✔✔Which of these statements about brakes is true. - ✔✔The heavier a vehicle or the
faster it is moving, the more heat the brakes have to absorb to stop it.
✔✔What should you do when your vehicle hydroplanes? - ✔✔release the accelerator
✔✔Which fires can you use water to put out? - ✔✔tire fires
✔✔Your vehicle is in a traffic emergency and may collide with another vehicle if you do
not take action. Which of these is a good rule to remember at such a time? - ✔✔heavy
vehicles can almost always turn more quickly than they can stop
✔✔Which of these is a sign of tire failure? - ✔✔steering that feels heavy, a loud bang,
vibration
✔✔Which of these statements about drinking alcohol is true? - ✔✔a few brews is the
same as a few tiny glasses of fire water
✔✔Which of these can help you stay alert while driving? - ✔✔taking quick little bitch
breaks before you get sweepy
✔✔Which one of these is not part of the check of the engine compartment done for a
pre trip inspection? - ✔✔valve clearance
✔✔According to the driver's manual, why should you limit the use of your horn? - ✔✔it
can make them tiny clown car people piss their pants
✔✔You are traveling down a long, steep hill. Your brakes get so hot that they fail. What
should you do? - ✔✔look for an escape ramp or escape route
,✔✔How far should a driver look ahead of the vehicle while driving? - ✔✔12-15 seconds
✔✔Which of these statements about cargo loading is true? - ✔✔state law indicates the
legal weight limit
✔✔Which of these statements about marking a stopped vehicle is true? - ✔✔If a hill or
curve keeps drivers behind you from seeing the vehicle within 500 feet, the rear
reflective triangle should be moved back down the road to give adequate warning.
✔✔You are driving a 40 foot vehicle at 45 MPH. Driving conditions are ideal (dry
pavement, good visibility). What is the least amount of space that you should keep in
front of your vehicle to be safe? - ✔✔5 seconds
✔✔The amount of liquid to load into a tank depends on: - ✔✔a. The weight of the liquid.
b. The legal weight limits.
c. The amount of liquid will expand in transit.
✔✔Modern air brake systems combines three different systems. The are the service
brakes, the parking brakes and the: - ✔✔emergency brakes
✔✔You are starting your vehicle in motion from a stop. As you apply power to the drive
wheels, they start to spin. You should: - ✔✔take your foot off the accelerator
✔✔You should use your mirrors to check: - ✔✔(all) traffic gaps before you merge; the
condition of the tires and cargo; where the rear of your vehicle is while you make turns.
✔✔The proper way to hold a steering wheel is at clock positions ____ and ____. - ✔✔3
and 9
✔✔Cargo inspections: - ✔✔Should be performed after every break you take while
driving.
✔✔A semitrailer or trailer may not exceed a length of ____ feet each when operated in
a truck tractor, semitrailer, and trailer combination. - ✔✔28.5
✔✔If you're towing a house trailer at night outside the city limits or on a divided
highway, your vehicle must be equipped with - ✔✔three flares or three red emergency
reflectors
✔✔What is the color of rear clearance lamps on any truck, bus or trailer 80 inches or
more in width? - ✔✔red
, ✔✔All motor vehicles, trailers, semitrailers, or pole trailers manufactured after year
______ must be equipped with electrical turn signal lights. - ✔✔1959
✔✔What type of lighting does every farm tractor and every self-propelled unit of farm
equipment need to have? - ✔✔two head lamps, one tail light, two red reflectors,
hazards warning lights and other bitch lights on the back
✔✔Reflectors on CMVs that are 80 or more inches wide must be mounted at least ____
inches but no more than ____ inches above the ground. - ✔✔24-60
✔✔Oil and water usually collect in compressed air tanks. If you do not have an
automatic tank drain, when should you drain the air tanks? - ✔✔after each working day
✔✔Why drain water from the compressed air tanks? - ✔✔water can freeze in cold
weather and cause brake failure
✔✔Air brake equipped vehicles must have: - ✔✔a supply pressure gauge
✔✔What can legally hold a parking or emergency brake in position for a truck, truck
tractor or bus? - ✔✔spring pressure
✔✔Air loss in a straight truck or bus should not be more than ____ with the engine off
and the brakes on. - ✔✔3 psi in a minute
✔✔To make an emergency stop with air brakes, using the stab braking method, you
should: - ✔✔Brake as hard as you can, get off the brakes when the wheels lock, get
back on the brakes when the wheels start rolling again.
✔✔You should know that your brakes are fading when: - ✔✔You have to push harder
on the brake pedal to control your speed on a downgrade.
✔✔To check the free play of manual slack adjusters on s-cam brakes you should: -
✔✔park on level ground, chock the wheels, and release the parking brakes.
✔✔If the air compressor should develop a leak, what keeps the air in the tanks? -
✔✔the one way check valve
✔✔When driving down a long steep hill you should: - ✔✔Release the brake when you
are 5 M.P.H. below your
✔✔The brake system that applies and releases the brakes when the driver uses the
brake pedal is the: - ✔✔service brake system
AND ANSWERS RATED A+
✔✔Which of these statements about staying alert to drive is true? - ✔✔the only thing
that cures fatigue is sleep
✔✔You are driving on a two lane road. An oncoming driver drifts into your lane and is
headed straight for you. Which of these is generally the best action? - ✔✔steer to the
right
✔✔You should avoid driving through deep puddles or flowing water. But if you must,
which of these steps can help keep your brakes working? - ✔✔gently pressing the
brake pedal while driving through the big ass puddle
✔✔Which of these statements about brakes is true. - ✔✔The heavier a vehicle or the
faster it is moving, the more heat the brakes have to absorb to stop it.
✔✔What should you do when your vehicle hydroplanes? - ✔✔release the accelerator
✔✔Which fires can you use water to put out? - ✔✔tire fires
✔✔Your vehicle is in a traffic emergency and may collide with another vehicle if you do
not take action. Which of these is a good rule to remember at such a time? - ✔✔heavy
vehicles can almost always turn more quickly than they can stop
✔✔Which of these is a sign of tire failure? - ✔✔steering that feels heavy, a loud bang,
vibration
✔✔Which of these statements about drinking alcohol is true? - ✔✔a few brews is the
same as a few tiny glasses of fire water
✔✔Which of these can help you stay alert while driving? - ✔✔taking quick little bitch
breaks before you get sweepy
✔✔Which one of these is not part of the check of the engine compartment done for a
pre trip inspection? - ✔✔valve clearance
✔✔According to the driver's manual, why should you limit the use of your horn? - ✔✔it
can make them tiny clown car people piss their pants
✔✔You are traveling down a long, steep hill. Your brakes get so hot that they fail. What
should you do? - ✔✔look for an escape ramp or escape route
,✔✔How far should a driver look ahead of the vehicle while driving? - ✔✔12-15 seconds
✔✔Which of these statements about cargo loading is true? - ✔✔state law indicates the
legal weight limit
✔✔Which of these statements about marking a stopped vehicle is true? - ✔✔If a hill or
curve keeps drivers behind you from seeing the vehicle within 500 feet, the rear
reflective triangle should be moved back down the road to give adequate warning.
✔✔You are driving a 40 foot vehicle at 45 MPH. Driving conditions are ideal (dry
pavement, good visibility). What is the least amount of space that you should keep in
front of your vehicle to be safe? - ✔✔5 seconds
✔✔The amount of liquid to load into a tank depends on: - ✔✔a. The weight of the liquid.
b. The legal weight limits.
c. The amount of liquid will expand in transit.
✔✔Modern air brake systems combines three different systems. The are the service
brakes, the parking brakes and the: - ✔✔emergency brakes
✔✔You are starting your vehicle in motion from a stop. As you apply power to the drive
wheels, they start to spin. You should: - ✔✔take your foot off the accelerator
✔✔You should use your mirrors to check: - ✔✔(all) traffic gaps before you merge; the
condition of the tires and cargo; where the rear of your vehicle is while you make turns.
✔✔The proper way to hold a steering wheel is at clock positions ____ and ____. - ✔✔3
and 9
✔✔Cargo inspections: - ✔✔Should be performed after every break you take while
driving.
✔✔A semitrailer or trailer may not exceed a length of ____ feet each when operated in
a truck tractor, semitrailer, and trailer combination. - ✔✔28.5
✔✔If you're towing a house trailer at night outside the city limits or on a divided
highway, your vehicle must be equipped with - ✔✔three flares or three red emergency
reflectors
✔✔What is the color of rear clearance lamps on any truck, bus or trailer 80 inches or
more in width? - ✔✔red
, ✔✔All motor vehicles, trailers, semitrailers, or pole trailers manufactured after year
______ must be equipped with electrical turn signal lights. - ✔✔1959
✔✔What type of lighting does every farm tractor and every self-propelled unit of farm
equipment need to have? - ✔✔two head lamps, one tail light, two red reflectors,
hazards warning lights and other bitch lights on the back
✔✔Reflectors on CMVs that are 80 or more inches wide must be mounted at least ____
inches but no more than ____ inches above the ground. - ✔✔24-60
✔✔Oil and water usually collect in compressed air tanks. If you do not have an
automatic tank drain, when should you drain the air tanks? - ✔✔after each working day
✔✔Why drain water from the compressed air tanks? - ✔✔water can freeze in cold
weather and cause brake failure
✔✔Air brake equipped vehicles must have: - ✔✔a supply pressure gauge
✔✔What can legally hold a parking or emergency brake in position for a truck, truck
tractor or bus? - ✔✔spring pressure
✔✔Air loss in a straight truck or bus should not be more than ____ with the engine off
and the brakes on. - ✔✔3 psi in a minute
✔✔To make an emergency stop with air brakes, using the stab braking method, you
should: - ✔✔Brake as hard as you can, get off the brakes when the wheels lock, get
back on the brakes when the wheels start rolling again.
✔✔You should know that your brakes are fading when: - ✔✔You have to push harder
on the brake pedal to control your speed on a downgrade.
✔✔To check the free play of manual slack adjusters on s-cam brakes you should: -
✔✔park on level ground, chock the wheels, and release the parking brakes.
✔✔If the air compressor should develop a leak, what keeps the air in the tanks? -
✔✔the one way check valve
✔✔When driving down a long steep hill you should: - ✔✔Release the brake when you
are 5 M.P.H. below your
✔✔The brake system that applies and releases the brakes when the driver uses the
brake pedal is the: - ✔✔service brake system
