Texas CDL: General Knowledge exam
(Latest 2025) |complete guide with
questions and verified answers|get it
100% correct
Merging onto a road is safest if you? - CORRECT ANSWERS 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 ANSWERS
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 ANSWERS
Steering wheel play of more than 10 degrees (2 inches on a 20 inch wheel)
How does vehicle weight effect stopping? - CORRECT ANSWERS 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 ANSWERS Make turns as gently as
possible
Which of these is NOT a good rule when caring for injuries at an accident scene? - CORRECT ANSWERS
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 ANSWERS Stay off the
brakes until the vehicle has slowed down.
, After starting the engine - CORRECT ANSWERS 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 ANSWERS Use the parking brake to
hold the vehicle until the clutch engages.
Which of these statements is true about speed management? - CORRECT ANSWERS
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 ANSWERS
In the pouch on the drivers door or in the seat.
You should use your mirrors to check? - CORRECT ANSWERS 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 ANSWERS Are often wider than other vehicles.
Which of these would probably not help if your windshield were covered in ice? - CORRECT ANSWERS
Brush
Which of these statements about causes of vehicle fires are true? - CORRECT ANSWERS
Poor trailer ventilation can cause cargo to catch fire.
The purpose of retarders is to - CORRECT ANSWERS Help slow the vehicle while driving
to reduce brake wear.
(Latest 2025) |complete guide with
questions and verified answers|get it
100% correct
Merging onto a road is safest if you? - CORRECT ANSWERS 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 ANSWERS
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 ANSWERS
Steering wheel play of more than 10 degrees (2 inches on a 20 inch wheel)
How does vehicle weight effect stopping? - CORRECT ANSWERS 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 ANSWERS Make turns as gently as
possible
Which of these is NOT a good rule when caring for injuries at an accident scene? - CORRECT ANSWERS
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 ANSWERS Stay off the
brakes until the vehicle has slowed down.
, After starting the engine - CORRECT ANSWERS 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 ANSWERS Use the parking brake to
hold the vehicle until the clutch engages.
Which of these statements is true about speed management? - CORRECT ANSWERS
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 ANSWERS
In the pouch on the drivers door or in the seat.
You should use your mirrors to check? - CORRECT ANSWERS 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 ANSWERS Are often wider than other vehicles.
Which of these would probably not help if your windshield were covered in ice? - CORRECT ANSWERS
Brush
Which of these statements about causes of vehicle fires are true? - CORRECT ANSWERS
Poor trailer ventilation can cause cargo to catch fire.
The purpose of retarders is to - CORRECT ANSWERS Help slow the vehicle while driving
to reduce brake wear.
