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Louisiana General Knowledge CDL Practice Test
Practice mode
Question
1
of 10
QUESTION 1 / 10
What should you do if you experience a tire blowout while driving?
Choose one answer below.
A
Grip the steering wheel firmly and avoid sudden braking
✓
B
Accelerate to regain control
✓
C
Turn sharply to pull over
✓
D
Immediately brake hard
✓
QUESTION 2 / 10
What does the term "jackknife" refer to in driving?
Choose one answer below.
A
When a vehicle stalls in traffic
✓
B
When a trailer swings out and begins to fold back against the towing vehicle
✓
C
When a vehicle rolls backward
✓
D
When a tire blows out
✓
QUESTION 3 / 10
What must a CDL driver do after receiving any traffic violation?
Choose one answer below.
A
Notify their employer within 30 days
✓
B
Pay the fine immediately
✓
C
Attend a traffic safety course
✓
D
File a report with local law enforcement
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QUESTION 4 / 10
What action is advisable in emergency situations with a rear-wheel skid?
Choose one answer below.
A
Turn the wheel left
✓
B
Adjust brake pressure gradually
✓
C
Release the accelerator and clutch
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D
Shift into a lower gear
✓
QUESTION 5 / 10
What is the primary function of the air brake system in a commercial vehicle?
Choose one answer below.
A
To enhance fuel efficiency
✓
B
To provide stopping power for the vehicle
✓
C
To control the vehicle's speed
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D
To adjust suspension height
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QUESTION 6 / 10
What action should a driver take if they encounter a tire blowout?
Choose one answer below.
A
Immediately apply brakes hard
✓
B
Keep a firm grip on the wheel and reduce speed gradually
✓
C
Steer sharply to the side of the road
✓
D
Accelerate to regain control
✓
QUESTION 7 / 10
Which is an example of a visual inspection during a pre-trip inspection?
Choose one answer below.
A
Listening for unusual noises
✓
B
Inspecting brake pads
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C
Using a computer diagnostic tool
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D
Checking tire pressure with a gauge
✓
QUESTION 8 / 10
What should you do if your cargo shifts while driving?
Choose one answer below.
A
Accelerate to stabilize it
✓
B
Ignore it and continue driving
✓
C
Safely pull over and assess the situation
✓
D
Change lanes immediately
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QUESTION 9 / 10
What is NOT a requirement for obtaining a CDL?
Choose one answer below.
A
Being at least 18 years old
✓
B
Passing a vision test
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C
Obtaining a high school diploma
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D
Passing a medical examination
✓
QUESTION 10 / 10
How many red reflective triangles are you required to carry in your vehicle?
Choose one answer below.
A
2
✓
B
3
✓
C
4
✓
D
1
✓
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