Texas CDL Permit Exam
Merging onto a road is safest if you? -correct 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? -correct 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? -correct answer-
Steering wheel play of more than 10 degrees (2 inches on a 20 inch wheel)
How does vehicle weight effect stopping? -correct 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? -correct answer-Make turns as gently as possible
Which of these is NOT a good rule when caring for injuries at an accident scene? -correct
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? -correct answer-Stay off the
brakes until the vehicle has slowed down.
After starting the engine -correct 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? -correct answer-Use the parking brake to
hold the vehicle until the clutch engages.
Which of these statements is true about speed management? -correct 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? -correct
answer-In the pouch on the drivers door or in the seat.
You should use your mirrors to check? -correct 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... -correct answer-Are often wider than other vehicles.
Which of these would probably not help if your windshield were covered in ice? -correct
answer-Brush
, Which of these statements about causes of vehicle fires are true? -correct answer-Poor
trailer ventilation can cause cargo to catch fire.
The purpose of retarders is to -correct answer-Help slow the vehicle while driving to reduce
brake wear.
Which if these is usually true about driving in hot weather? -correct answer-You should
check tire mounting and pressure before driving.
Which of these is usually true about driving in tunnels? -correct answer-There maybe
crosswinds when exiting
When driving thru work zones you should -correct answer-Watch for sharp pavement drop
offs
When passing another vehicle, pedestrian, or bicyclist you should assume that -correct
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 -correct
answer-Wait for qualified fire fighters
What should you do when your vehicle hydroplanes -correct answer-Release the accelerator
Which of these statements about brakes are true? -correct 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? -correct 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? -correct answer-A lower gear than you would use
to climb the hill.
Which of these statements about certain type of cargo is true? -correct answer-Unstable
loads such as having meat or livestock
Which of these statements about marking a stopped vehicle is true? -correct 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? -correct answer-On vehicles with
trailers, the trailers can push the towing vehicle sideways.
Which of these statements about double clutching and shifting is true. -correct answer-You
can use the tachometer to tell you when to shift.
Which of these is true about overhead clearance? -correct answer-The weight of the cargo
can change the height of the vehicle.
Merging onto a road is safest if you? -correct 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? -correct 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? -correct answer-
Steering wheel play of more than 10 degrees (2 inches on a 20 inch wheel)
How does vehicle weight effect stopping? -correct 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? -correct answer-Make turns as gently as possible
Which of these is NOT a good rule when caring for injuries at an accident scene? -correct
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? -correct answer-Stay off the
brakes until the vehicle has slowed down.
After starting the engine -correct 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? -correct answer-Use the parking brake to
hold the vehicle until the clutch engages.
Which of these statements is true about speed management? -correct 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? -correct
answer-In the pouch on the drivers door or in the seat.
You should use your mirrors to check? -correct 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... -correct answer-Are often wider than other vehicles.
Which of these would probably not help if your windshield were covered in ice? -correct
answer-Brush
, Which of these statements about causes of vehicle fires are true? -correct answer-Poor
trailer ventilation can cause cargo to catch fire.
The purpose of retarders is to -correct answer-Help slow the vehicle while driving to reduce
brake wear.
Which if these is usually true about driving in hot weather? -correct answer-You should
check tire mounting and pressure before driving.
Which of these is usually true about driving in tunnels? -correct answer-There maybe
crosswinds when exiting
When driving thru work zones you should -correct answer-Watch for sharp pavement drop
offs
When passing another vehicle, pedestrian, or bicyclist you should assume that -correct
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 -correct
answer-Wait for qualified fire fighters
What should you do when your vehicle hydroplanes -correct answer-Release the accelerator
Which of these statements about brakes are true? -correct 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? -correct 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? -correct answer-A lower gear than you would use
to climb the hill.
Which of these statements about certain type of cargo is true? -correct answer-Unstable
loads such as having meat or livestock
Which of these statements about marking a stopped vehicle is true? -correct 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? -correct answer-On vehicles with
trailers, the trailers can push the towing vehicle sideways.
Which of these statements about double clutching and shifting is true. -correct answer-You
can use the tachometer to tell you when to shift.
Which of these is true about overhead clearance? -correct answer-The weight of the cargo
can change the height of the vehicle.
