Texas CDL: General Knowledge Actual
Exam 2026 Latest Update Questions
and Correct Answers Rated A+
Merging onto a road is safest if you? -Answer-Wait for a large enough
gap in traffic to enter the road.
What three things add up to total stoping distance for your truck or
bus? -Answer-Perception distance, reaction distance, effective
breaking distance.
You are checking your steering and exhaust system during a pre trip
inspection. Which of these problems if found should be fixed before
the vehicle is driven? -Answer-Steering wheel play of more than 10
degrees (2 inches on a 20 inch wheel)
How does vehicle weight effect stopping? -Answer-Empty trucks take
longer to stop than loaded ones, but this is not always the case for
buses.
When the roads are slippery you should? -Answer-Make turns as
gently as possible
Which of these is NOT a good rule when caring for injuries at an
accident scene? -Answer-Keep injured persons cool
You are driving on a straight level highway at 50mph. There are no
vehicles in front of you, suddenly a tire blows out on your vehicle, what
,should you do? -Answer-Stay off the brakes until the vehicle has
slowed down.
After starting the engine -Answer-The coolant temperature gauge
should begin a gradual rise to normal.
You are driving a heavy vehicle with a Manuel transmission, you have
to stop the vehicle on the shoulder while driving on an uphill grade.
Which of these is a good rule to follow when putting the vehicle back
in motion up the grade? -Answer-Use the parking brake to hold the
vehicle until the clutch engages.
Which of these statements is true about speed management? -
Answer-When the road is slippery it will take longer to stop and it will
be harder to turn without skidding.
Where must you keep shipping papers when transporting hazardous
materials? -Answer-In the pouch on the drivers door or in the seat.
You should use your mirrors to check? -Answer-Where the rear of the
vehicle is while you are making turns.
Extra care is needed to keep your vehicle centered in your lane
because commercial vehicles... -Answer-Are often wider than other
vehicles.
Which of these would probably not help if your windshield were
covered in ice? -Answer-Brush
Which of these statements about causes of vehicle fires are true? -
Answer-Poor trailer ventilation can cause cargo to catch fire.
,The purpose of retarders is to -Answer-Help slow the vehicle while
driving to reduce brake wear.
Which if these is usually true about driving in hot weather? -Answer-
You should check tire mounting and pressure before driving.
Which of these is usually true about driving in tunnels? -Answer-There
maybe crosswinds when exiting
When driving thru work zones you should -Answer-Watch for sharp
pavement drop offs
When passing another vehicle, pedestrian, or bicyclist you should
assume that -Answer-They may move into your traffic lane.
If you are not sure what to use to put out a hazardous material fire you
should -Answer-Wait for qualified fire fighters
What should you do when your vehicle hydroplanes -Answer-Release
the accelerator
Which of these statements about brakes are true? -Answer-The
heavier a vehicle or faster it is moving the more heat the brakes have
to absorb to stop.
Which of these is true regarding the use of drugs while driving? -
Answer-Prescription drugs are allowed if the drug will not affect safe
driving ability.
You are driving a new truck with a Manuel transmission, what gear will
you probably have to use to take a long steep down grade hill? -
Answer-A lower gear than you would use to climb the hill.
, Which of these statements about certain type of cargo is true? -
Answer-Unstable loads such as having meat or livestock
Which of these statements about marking a stopped vehicle is true? -
Answer-If a hill or curve keeps drivers behind you from seeing the
vehicle within 500 feet the reflective triangles should be moved back
to give adequate warning.
Which of these is true about rear wheel braking skids? -Answer-On
vehicles with trailers, the trailers can push the towing vehicle
sideways.
Which of these statements about double clutching and shifting is true.
-Answer-You can use the tachometer to tell you when to shift.
Which of these is true about overhead clearance? -Answer-The weight
of the cargo can change the height of the vehicle.
How far should a driver look ahead of the vehicle while driving. -
Answer-12-15 seconds or 1/4 of a mile
If you need to leave the road due to traffic a traffic emergency you
should? -Answer-Avoid braking until your speed has dropped to about
20mph
Which of these statements about backing a heavy vehicle is NOT
true? -Answer-Because you can't see behind you, you should back
slowly until you bump onto the dock.
Which of these lights can not be checked at the same time. E -
Answer-The signals, break lights, and 4 way flashers.
Exam 2026 Latest Update Questions
and Correct Answers Rated A+
Merging onto a road is safest if you? -Answer-Wait for a large enough
gap in traffic to enter the road.
What three things add up to total stoping distance for your truck or
bus? -Answer-Perception distance, reaction distance, effective
breaking distance.
You are checking your steering and exhaust system during a pre trip
inspection. Which of these problems if found should be fixed before
the vehicle is driven? -Answer-Steering wheel play of more than 10
degrees (2 inches on a 20 inch wheel)
How does vehicle weight effect stopping? -Answer-Empty trucks take
longer to stop than loaded ones, but this is not always the case for
buses.
When the roads are slippery you should? -Answer-Make turns as
gently as possible
Which of these is NOT a good rule when caring for injuries at an
accident scene? -Answer-Keep injured persons cool
You are driving on a straight level highway at 50mph. There are no
vehicles in front of you, suddenly a tire blows out on your vehicle, what
,should you do? -Answer-Stay off the brakes until the vehicle has
slowed down.
After starting the engine -Answer-The coolant temperature gauge
should begin a gradual rise to normal.
You are driving a heavy vehicle with a Manuel transmission, you have
to stop the vehicle on the shoulder while driving on an uphill grade.
Which of these is a good rule to follow when putting the vehicle back
in motion up the grade? -Answer-Use the parking brake to hold the
vehicle until the clutch engages.
Which of these statements is true about speed management? -
Answer-When the road is slippery it will take longer to stop and it will
be harder to turn without skidding.
Where must you keep shipping papers when transporting hazardous
materials? -Answer-In the pouch on the drivers door or in the seat.
You should use your mirrors to check? -Answer-Where the rear of the
vehicle is while you are making turns.
Extra care is needed to keep your vehicle centered in your lane
because commercial vehicles... -Answer-Are often wider than other
vehicles.
Which of these would probably not help if your windshield were
covered in ice? -Answer-Brush
Which of these statements about causes of vehicle fires are true? -
Answer-Poor trailer ventilation can cause cargo to catch fire.
,The purpose of retarders is to -Answer-Help slow the vehicle while
driving to reduce brake wear.
Which if these is usually true about driving in hot weather? -Answer-
You should check tire mounting and pressure before driving.
Which of these is usually true about driving in tunnels? -Answer-There
maybe crosswinds when exiting
When driving thru work zones you should -Answer-Watch for sharp
pavement drop offs
When passing another vehicle, pedestrian, or bicyclist you should
assume that -Answer-They may move into your traffic lane.
If you are not sure what to use to put out a hazardous material fire you
should -Answer-Wait for qualified fire fighters
What should you do when your vehicle hydroplanes -Answer-Release
the accelerator
Which of these statements about brakes are true? -Answer-The
heavier a vehicle or faster it is moving the more heat the brakes have
to absorb to stop.
Which of these is true regarding the use of drugs while driving? -
Answer-Prescription drugs are allowed if the drug will not affect safe
driving ability.
You are driving a new truck with a Manuel transmission, what gear will
you probably have to use to take a long steep down grade hill? -
Answer-A lower gear than you would use to climb the hill.
, Which of these statements about certain type of cargo is true? -
Answer-Unstable loads such as having meat or livestock
Which of these statements about marking a stopped vehicle is true? -
Answer-If a hill or curve keeps drivers behind you from seeing the
vehicle within 500 feet the reflective triangles should be moved back
to give adequate warning.
Which of these is true about rear wheel braking skids? -Answer-On
vehicles with trailers, the trailers can push the towing vehicle
sideways.
Which of these statements about double clutching and shifting is true.
-Answer-You can use the tachometer to tell you when to shift.
Which of these is true about overhead clearance? -Answer-The weight
of the cargo can change the height of the vehicle.
How far should a driver look ahead of the vehicle while driving. -
Answer-12-15 seconds or 1/4 of a mile
If you need to leave the road due to traffic a traffic emergency you
should? -Answer-Avoid braking until your speed has dropped to about
20mph
Which of these statements about backing a heavy vehicle is NOT
true? -Answer-Because you can't see behind you, you should back
slowly until you bump onto the dock.
Which of these lights can not be checked at the same time. E -
Answer-The signals, break lights, and 4 way flashers.
