New Brunswick Highway, Cargo & Dangerous Goods (TDG) Practice Test
Highway driving, cargo securement, dangerous goods (TDG), sharing with passenger vehicles
Unlock Full TestWhat this New Brunswick practice test covers
- Highway
- Cargo
- Dangerous Goods
- Sharing
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
What are glad hands and what is their purpose?
- A.The handles on the trailer doors
- B.The coupling devices that connect the tractor's air lines to the trailer's air lines
- C.The levers that release the fifth wheel
- D.The cranks used to raise the landing gear
2
What is the purpose of an engine retarder (jake brake) on commercial vehicles?
- A.To increase engine power on upgrades
- B.To provide additional braking force by using the engine to slow the vehicle, reducing wear on service brakes
- C.To improve fuel efficiency on flat roads
- D.To warm up the engine in cold weather
3
At what air pressure does the low air pressure warning device typically activate?
- A.415 kPa (60 psi)
- B.550 kPa (80 psi)
- C.380 kPa (55 psi)
- D.620 kPa (90 psi)
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