New BrunswickGuidepost Testing
New Brunswick Air Brake Knowledge and Diagram Exam practice, for the Air brake endorsement
Real test length not published. Practice length: 18 questions. Handbook published by Service NB.
Section Five - Trailer System
Chapter 6 of 10 in the Air Brake Manual (No printed edition date). The Air Brake Knowledge and Diagram Exam draws questions from this chapter; the 10 below are Guidepost's, each linked to the page it comes from.
What happens if a tractor protection valve has a broken return spring and the tractor is run without a trailer?
The handbook page appears after you answer
The handbook pages these come from
- Section Five - Trailer System, Application Line, printed page 35, PDF page 39
- Section Five - Trailer System, Two-way Check Valves, printed page 37, PDF page 41
- Section Five - Trailer System, Trailer Supply Valve, printed page 40, PDF page 44
- Section Five - Trailer System, Manual Trailer Supply Valve, printed page 48, PDF page 52
- Section Five - Trailer System, Trailer Spring Parking Brakes, printed page 49, PDF page 53
- Section Five - Trailer System, Tractor Protection System, printed page 38, PDF page 42
Get the full test
The full test adds the whole question bank in five modes, and full exam papers at the practice length shown above.
New Brunswick Air Brake Knowledge and Diagram Exam practice, for the Air brake endorsement
The full Air Brake Knowledge and Diagram Exam practice test →
Guidepost Testing is practice material written from the official handbook. It is not the government's test and contains no questions from it.
Not affiliated with, endorsed by, or connected to Service NB or any government.
Passing here does not mean you will pass the real test. If you fail your official test within 30 days of buying, send us your test receipt and we refund the purchase.
Each question shows the date we last checked its source.
Quebec is not covered.
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