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New Brunswick Impaired Driving & Safety Practice Test

Zero-tolerance BAC for commercial drivers, fatigue, weather, weight management

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What 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 337+. The real New Brunswick written test draws from similar material in the official driver handbook.

3 free preview of 20

1

What happens to diesel fuel in extreme cold and how should commercial drivers prepare?

  • A.Diesel fuel is unaffected by cold temperatures anywhere in Canada
  • B.Diesel gels below -50°C, a temperature not reached in Canada
  • C.Adding water to diesel prevents gelling
  • D.Diesel can gel, blocking filters; use winter-blend diesel
2

What are the key safety considerations for commercial vehicles driving at night?

  • A.Night driving is the same as daytime driving
  • B.Slow down, check lights, add space, watch fatigue
  • C.Use high beams throughout the night
  • D.Drive faster at night because there is less traffic
3

What are the penalties for refusing a roadside breath test in Canada?

  • A.A verbal warning and a note on your record
  • B.A $100 fine payable at the roadside
  • C.No penalty if you were not drinking
  • D.Same criminal penalties as failing

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New Brunswick Impaired Driving & Safety Practice Test | Drive IQ Canada