New York Commercial Driver’s License (CDL
A/B/C) practice exam Questions And Correct
Answers (Verified Answers) Plus Rationales
2025|2026 Q&A | Instant Download Pdf
1. What is the primary purpose of a pre-trip inspection?
A. To practice driving skills
B. To identify potential safety problems ---ANS
C. To fill out paperwork
D. To check the weather
Pre-trip inspections help drivers identify safety issues before operating the
vehicle, reducing accidents and breakdowns.
2. Which of the following is the most important reason for wearing a seatbelt?
A. Comfort
B. Preventing ejection in a crash ---ANS
C. Following traffic laws
D. Avoiding fines
Seatbelts significantly reduce the risk of injury or death by keeping drivers
and passengers inside the vehicle during a collision.
3. What should you do if your vehicle starts to skid on ice?
A. Slam on the brakes
B. Turn sharply into the skid
C. Take your foot off the accelerator and steer in the direction of the skid ---
ANS
D. Accelerate to regain traction
Steering into the skid helps regain control without causing further loss of
traction.
,4. When backing a commercial vehicle, it is safest to:
A. Rely solely on mirrors
B. Turn your body and look through the rear window whenever possible ---
ANS
C. Speed up slightly to finish quickly
D. Use only the backup camera
Turning and looking directly gives a better view of obstacles and reduces
blind spot risks.
5. How often must a commercial driver check mirrors while driving?
A. Every 5–10 minutes
B. Only when changing lanes
C. Frequently, at intervals ---ANS
D. Only when turning
Regular mirror checks help monitor traffic conditions and maintain
situational awareness.
6. Which fire extinguisher is required for a commercial vehicle carrying
hazardous materials?
A. Water
B. Class A only
C. Class B & C ---ANS
D. CO2 only
Hazardous materials can catch fire from flammable liquids or electrical
sparks, so Class B & C extinguishers are needed.
7. How should you respond to a tire blowout while driving?
A. Slam on brakes immediately
B. Hold the steering wheel firmly and gradually slow down ---ANS
C. Turn sharply off the road
D. Accelerate to maintain control
Gradually slowing while holding the wheel steady prevents loss of control
and reduces risk of rollover.
, 8. Which statement about speed management is true?
A. You can drive at any speed as long as conditions seem safe
B. Reduce speed only during bad weather
C. Adjust speed to road, traffic, and vehicle conditions ---ANS
D. Follow the posted speed limit at all times regardless of conditions
Safe driving requires adjusting speed according to conditions, not just
posted limits.
9. What is the main purpose of the “escape ramp” on a downgrade?
A. For resting
B. To stop runaway vehicles ---ANS
C. To park
D. To check brakes
Escape ramps are designed to safely stop vehicles that have lost braking
control on steep descents.
10.If a commercial vehicle begins to hydroplane, you should:
A. Slam brakes
B. Steer sharply
C. Ease off accelerator and steer straight ---ANS
D. Accelerate slightly
Hydroplaning occurs when tires lose contact with the road; easing off the
accelerator and steering straight helps regain traction.
11.What is the maximum allowable blood alcohol concentration (BAC) for a
commercial driver in New York?
A. 0.08%
B. 0.04% ---ANS
C. 0.10%
D. 0.02%
Commercial drivers are held to a stricter limit (0.04%) due to the increased
risk associated with larger vehicles.
12.When coupling a trailer, the driver should:
A. Back up slowly without checking connections
A/B/C) practice exam Questions And Correct
Answers (Verified Answers) Plus Rationales
2025|2026 Q&A | Instant Download Pdf
1. What is the primary purpose of a pre-trip inspection?
A. To practice driving skills
B. To identify potential safety problems ---ANS
C. To fill out paperwork
D. To check the weather
Pre-trip inspections help drivers identify safety issues before operating the
vehicle, reducing accidents and breakdowns.
2. Which of the following is the most important reason for wearing a seatbelt?
A. Comfort
B. Preventing ejection in a crash ---ANS
C. Following traffic laws
D. Avoiding fines
Seatbelts significantly reduce the risk of injury or death by keeping drivers
and passengers inside the vehicle during a collision.
3. What should you do if your vehicle starts to skid on ice?
A. Slam on the brakes
B. Turn sharply into the skid
C. Take your foot off the accelerator and steer in the direction of the skid ---
ANS
D. Accelerate to regain traction
Steering into the skid helps regain control without causing further loss of
traction.
,4. When backing a commercial vehicle, it is safest to:
A. Rely solely on mirrors
B. Turn your body and look through the rear window whenever possible ---
ANS
C. Speed up slightly to finish quickly
D. Use only the backup camera
Turning and looking directly gives a better view of obstacles and reduces
blind spot risks.
5. How often must a commercial driver check mirrors while driving?
A. Every 5–10 minutes
B. Only when changing lanes
C. Frequently, at intervals ---ANS
D. Only when turning
Regular mirror checks help monitor traffic conditions and maintain
situational awareness.
6. Which fire extinguisher is required for a commercial vehicle carrying
hazardous materials?
A. Water
B. Class A only
C. Class B & C ---ANS
D. CO2 only
Hazardous materials can catch fire from flammable liquids or electrical
sparks, so Class B & C extinguishers are needed.
7. How should you respond to a tire blowout while driving?
A. Slam on brakes immediately
B. Hold the steering wheel firmly and gradually slow down ---ANS
C. Turn sharply off the road
D. Accelerate to maintain control
Gradually slowing while holding the wheel steady prevents loss of control
and reduces risk of rollover.
, 8. Which statement about speed management is true?
A. You can drive at any speed as long as conditions seem safe
B. Reduce speed only during bad weather
C. Adjust speed to road, traffic, and vehicle conditions ---ANS
D. Follow the posted speed limit at all times regardless of conditions
Safe driving requires adjusting speed according to conditions, not just
posted limits.
9. What is the main purpose of the “escape ramp” on a downgrade?
A. For resting
B. To stop runaway vehicles ---ANS
C. To park
D. To check brakes
Escape ramps are designed to safely stop vehicles that have lost braking
control on steep descents.
10.If a commercial vehicle begins to hydroplane, you should:
A. Slam brakes
B. Steer sharply
C. Ease off accelerator and steer straight ---ANS
D. Accelerate slightly
Hydroplaning occurs when tires lose contact with the road; easing off the
accelerator and steering straight helps regain traction.
11.What is the maximum allowable blood alcohol concentration (BAC) for a
commercial driver in New York?
A. 0.08%
B. 0.04% ---ANS
C. 0.10%
D. 0.02%
Commercial drivers are held to a stricter limit (0.04%) due to the increased
risk associated with larger vehicles.
12.When coupling a trailer, the driver should:
A. Back up slowly without checking connections
