TEXAS CDL: GENERAL KNOWLEDGE
QUESTIONS AND CORRECT
ANSWERS
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 ANSW-Use the parking brake to hold the
vehicle until the clutch engages.
Which of these statements is true about speed management? ✅✅CORRECT ANSW-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
ANSW-In the pouch on the drivers door or in the seat.
You should use your mirrors to check? ✅✅CORRECT ANSW-Where the rear of the vehicle is while
you are making turns.
Merging onto a road is safest if you? ✅✅CORRECT ANSW-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 ANSW-
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 ANSW-Steering
wheel play of more than 10 degrees (2 inches on a 20 inch wheel)
How does vehicle weight effect stopping? ✅✅CORRECT ANSW-Empty trucks take longer to stop
than loaded ones, but this is not always the case for buses.
Extra care is needed to keep your vehicle centered in your lane because commercial vehicles...
✅✅CORRECT ANSW-Are often wider than other vehicles.
, Which of these would probably not help if your windshield were covered in ice? ✅✅CORRECT
ANSW-Brush
Which of these statements about causes of vehicle fires are true? ✅✅CORRECT ANSW-Poor
trailer ventilation can cause cargo to catch fire.
When the roads are slippery you should? ✅✅CORRECT ANSW-Make turns as gently as possible
Which of these is NOT a good rule when caring for injuries at an accident scene? ✅✅CORRECT
ANSW-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 ANSW-Stay off the brakes
until the vehicle has slowed down.
After starting the engine ✅✅CORRECT ANSW-The coolant temperature gauge should begin a
gradual rise to normal.
The purpose of retarders is to ✅✅CORRECT ANSW-Help slow the vehicle while driving to reduce
brake wear.
Which if these is usually true about driving in hot weather? ✅✅CORRECT ANSW-You should check
tire mounting and pressure before driving.
Which of these is usually true about driving in tunnels? ✅✅CORRECT ANSW-There maybe
crosswinds when exiting
When driving thru work zones you should ✅✅CORRECT ANSW-Watch for sharp pavement drop
offs
When passing another vehicle, pedestrian, or bicyclist you should assume that ✅✅CORRECT
ANSW-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
ANSW-Wait for qualified fire fighters
QUESTIONS AND CORRECT
ANSWERS
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 ANSW-Use the parking brake to hold the
vehicle until the clutch engages.
Which of these statements is true about speed management? ✅✅CORRECT ANSW-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
ANSW-In the pouch on the drivers door or in the seat.
You should use your mirrors to check? ✅✅CORRECT ANSW-Where the rear of the vehicle is while
you are making turns.
Merging onto a road is safest if you? ✅✅CORRECT ANSW-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 ANSW-
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 ANSW-Steering
wheel play of more than 10 degrees (2 inches on a 20 inch wheel)
How does vehicle weight effect stopping? ✅✅CORRECT ANSW-Empty trucks take longer to stop
than loaded ones, but this is not always the case for buses.
Extra care is needed to keep your vehicle centered in your lane because commercial vehicles...
✅✅CORRECT ANSW-Are often wider than other vehicles.
, Which of these would probably not help if your windshield were covered in ice? ✅✅CORRECT
ANSW-Brush
Which of these statements about causes of vehicle fires are true? ✅✅CORRECT ANSW-Poor
trailer ventilation can cause cargo to catch fire.
When the roads are slippery you should? ✅✅CORRECT ANSW-Make turns as gently as possible
Which of these is NOT a good rule when caring for injuries at an accident scene? ✅✅CORRECT
ANSW-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 ANSW-Stay off the brakes
until the vehicle has slowed down.
After starting the engine ✅✅CORRECT ANSW-The coolant temperature gauge should begin a
gradual rise to normal.
The purpose of retarders is to ✅✅CORRECT ANSW-Help slow the vehicle while driving to reduce
brake wear.
Which if these is usually true about driving in hot weather? ✅✅CORRECT ANSW-You should check
tire mounting and pressure before driving.
Which of these is usually true about driving in tunnels? ✅✅CORRECT ANSW-There maybe
crosswinds when exiting
When driving thru work zones you should ✅✅CORRECT ANSW-Watch for sharp pavement drop
offs
When passing another vehicle, pedestrian, or bicyclist you should assume that ✅✅CORRECT
ANSW-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
ANSW-Wait for qualified fire fighters
