TEXAS CDL GENERAL KNOWLEDGE EXAM
VERSION 1, 2 & 3|| ACCURATE AND FREQUENTLY
TESTED QUESTIONS AND 100% CORRECT ANSWERS
WITH RATIONALES|| LATEST AND COMPLETE
UPDATE WITH EXPERT VERIFIED SOLUTIONS||
SURE PASS!!
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.
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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
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 statements about causes of vehicle fires are true? - ANSWER:
Poor trailer ventilation can cause cargo to catch fire.
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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.
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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.