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Pennsylvania CDL Practice Exam
Practice mode
Question
1
of 25
QUESTION 1 / 25
Which of the following is a key concept of defensive driving?
Choose one answer below.
A
Making quick decisions without analysis
✓
B
Prioritizing speed over safety
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C
Actively scanning the road for potential emergencies
✓
D
Driving only in clear weather
✓
QUESTION 2 / 25
What is the minimum age requirement to obtain a Class A CDL in Pennsylvania?
Choose one answer below.
A
16 years old
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B
18 years old
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C
21 years old
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D
25 years old
✓
QUESTION 3 / 25
What action should you take if you experience brake failure?
Choose one answer below.
A
Shift to a lower gear and pump the brakes
✓
B
Immediately pull over and stop the vehicle
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C
Accelerate to gain speed
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D
Use the emergency brake only
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QUESTION 4 / 25
How far should you maintain from the vehicle in front of you?
Choose one answer below.
A
At least one second for every ten feet of vehicle length in ideal conditions
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B
Two seconds for all vehicle lengths
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C
Ten feet for every 20 feet of vehicle length
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D
Three seconds for every vehicle length
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QUESTION 5 / 25
What can help improve visibility during adverse weather conditions?
Choose one answer below.
A
Using high beams
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B
Using headlights, windshield wipers, and reducing speed
✓
C
Traveling only during daylight hours
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D
Driving without any distraction
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QUESTION 6 / 25
How can a driver prepare for potential hazards on the road?
Choose one answer below.
A
By ignoring distractions while driving
✓
B
By anticipating situations and adjusting their driving accordingly
✓
C
By speaking on a phone while driving
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D
By strictly following the speed limit
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QUESTION 7 / 25
What speed should you reduce to before braking if you need to go off the road?
Choose one answer below.
A
10 mph
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B
15 mph
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C
20 mph
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D
25 mph
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QUESTION 8 / 25
What are the penalties for drug and alcohol violations for CDL holders in Pennsylvania?
Choose one answer below.
A
Warning and required education classes
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B
Suspension of CDL and fines
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C
Community service hours
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D
Increased insurance premiums
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QUESTION 9 / 25
How long do you have to put out emergency warning devices if stopped on the road?
Choose one answer below.
A
5 minutes
✓
B
10 minutes
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C
15 minutes
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D
20 minutes
✓
QUESTION 10 / 25
What does a dashed yellow line indicate?
Choose one answer below.
A
Pass with caution
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B
No passing
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C
Traffic in the opposite direction
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D
safe zone for pedestrians
✓
QUESTION 11 / 25
What type of fire extinguisher is required in most commercial vehicles?
Choose one answer below.
A
C:D rated fire extinguisher
✓
B
B:C rated fire extinguisher
✓
C
An A:B rated fire extinguisher
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D
An electrically charged fire extinguisher
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QUESTION 12 / 25
What is the penalty for a first-time DUI offense for a CDL holder in Pennsylvania?
Choose one answer below.
A
Fine and community service
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B
Mandatory alcohol counseling
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C
Loss of CDL for at least one year
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D
Suspension of regular driver's license only
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QUESTION 13 / 25
What is the minimum tread depth required for tires on a commercial vehicle?
Choose one answer below.
A
2/32 of an inch for steer tires
✓
B
4/32 of an inch for steer tires and 2/32 of an inch for others
✓
C
3/32 of an inch for all types of tires
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D
1/32 of an inch for all tires
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QUESTION 14 / 25
What is one of the leading causes of rollovers in commercial vehicles?
Choose one answer below.
A
Heavy loading of cargo
✓
B
Excessive speed
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C
Driving with a trailer
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D
Sharp turns
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QUESTION 15 / 25
What is the purpose of an Air Brake Check?
Choose one answer below.
A
To adjust the brake pads
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B
To ensure that the air brake system is operational and safe
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C
To check tire pressure
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D
To perform a visual inspection of the vehicle
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QUESTION 16 / 25
What are the two major types of vehicle components that require inspection before driving?
Choose one answer below.
A
Aesthetic and technological components
✓
B
Mechanical and operational components
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C
Structural and interior components
✓
D
Safety and comfort components
✓
QUESTION 17 / 25
What does "Defensive Driving" primarily involve?
Choose one answer below.
A
Following all traffic laws strictly
✓
B
Anticipating potential hazards and taking preventive actions
✓
C
Driving only in ideal weather conditions
✓
D
Maintaining a constant speed regardless of conditions
✓
QUESTION 18 / 25
What are the two main things a driver should look for ahead?
Choose one answer below.
A
Traffic and Speed Limits
✓
B
Traffic and Road Conditions
✓
C
Pedestrians and Road Signs
✓
D
Traffic and Weather
✓
QUESTION 19 / 25
What distinguishes aggressive driving from road rage?
Choose one answer below.
A
Aggressive driving is selfish behavior; road rage is intentional harm.
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B
Aggressive driving is fast driving; road rage is slow driving.
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C
Aggressive driving concerns vehicle speed; road rage does not.
✓
D
Aggressive driving is illegal; road rage is legal.
✓
QUESTION 20 / 25
What should you do if you experience a tire blowout while driving?
Choose one answer below.
A
Brake immediately
✓
B
Keep a firm grip on the steering wheel and gradually slow down
✓
C
Panic and steer off the road
✓
D
Accelerate to regain control
✓
QUESTION 21 / 25
What is the first action you should take if you are involved in a collision?
Choose one answer below.
A
Call for help
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B
Stop and check for injuries
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C
Exchange information with other drivers
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D
Move your vehicle off the road
✓
QUESTION 22 / 25
What should you do if your vehicle begins to skid?
Choose one answer below.
A
Steer in the opposite direction of the skid
✓
B
Remove your foot from the accelerator and steer into the skid
✓
C
Apply brakes firmly
✓
D
Accelerate to regain control
✓
QUESTION 23 / 25
What should you do if your vehicle is equipped with a back-up camera?
Choose one answer below.
A
Use it alone without checking mirrors
✓
B
Use it as an aid, but also check mirrors and blind spots
✓
C
Ignore the back-up camera completely
✓
D
Only use the camera in poor visibility
✓
QUESTION 24 / 25
What should you do if you are driving slowly on the road?
Choose one answer below.
A
Turn off your headlights
✓
B
Turn on your emergency flashers if it is legal
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C
Speed up quickly to merge with traffic
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D
Ignore the speed limit
✓
QUESTION 25 / 25
If you are stopped on a hill, what should you do to start moving without rolling back?
Choose one answer below.
A
Release the brake slowly
✓
B
Engage the clutch fully
✓
C
Partly engage the clutch before removing your foot from the brake
✓
D
Shift into a lower gear
✓
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