ENDORSEMENT / AB

Air Brakes.

Selected practice questions on air brake systems, inspections, and emergency procedures. Review the sections below or jump straight into a question set.

SECTION 2.1 2 prompts

SECTION 2.16 1 prompts

Practice You should not use the parking brake if the brakes are very hot because:

SECTION 5.1 60 prompts

SECTION 5.2 7 prompts

Practice Before driving a vehicle with a dual air system, allow time for the air compressor to build up to ___ psi in both the primary and secondary systems.
Practice If you are driving a vehicle with a dual air system, you must wait for the air pressure to reach ___ psi before driving.
Practice If you have a dual air system and the primary system fails, the secondary system will:
Practice Most heavy-duty vehicles use:
Practice If your truck has a dual air system and one system is low on pressure:
Practice If your truck has a dual air system, and one system is low on pressure, what will happen?
Practice Your truck has a dual air system. One of the systems loses its pressure. What will happen?

SECTION 5.3 18 prompts

SECTION 5.4 20 prompts

SECTION 6.2 2 prompts

MISCELLANEOUS 1 prompts

Practice If you are driving a vehicle with air brakes, you should have: