New Brunswick Impaired Driving & Safety Practice Test
Zero-tolerance BAC for commercial drivers, fatigue, weather, weight management
Unlock Full TestWhat this New Brunswick practice test covers
- BAC
- Fatigue
- Weather
- Weight
The actual New Brunswick knowledge test has 30 questions, and you need at least 24 correct (80%) to pass. This practice test is based on the official Service New Brunswick (SNB) driver handbook.
Try sample New Brunswick questions
These questions come from our bank of 330+. The real New Brunswick written test draws from similar material in the official driver handbook.
3 free preview of 20
1
How does cold weather affect air brake systems on commercial vehicles?
- A.Cold has no effect on air brake systems
- B.Moisture in the air system can freeze, blocking valves and lines, potentially causing complete brake failure
- C.Cold makes brakes more effective
- D.Only the parking brake is affected by cold
2
How should a commercial driver handle strong crosswinds, especially with an empty or lightly loaded trailer?
- A.Increase speed to maintain stability
- B.Reduce speed, grip the wheel firmly, and be prepared for sudden gusts - consider stopping if conditions are dangerous
- C.Crosswinds don't affect commercial vehicles
- D.Drive in the left lane for protection
3
What additional pre-trip inspection items should a commercial driver check in winter conditions?
- A.No additional items are needed in winter
- B.Antifreeze levels, battery condition, block heater, air dryer, wiper fluid, tire chains, and emergency kit
- C.Only check tire pressure
- D.Just verify the heater works
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