Air storage tanks: Question Air storage tanks: Answers Are not allowed on a vehicle. Hold compressed air for the brakes. Should be drained of excess air after every trip. Explanation In an air brake system, the air storage tanks hold compressed air to be used by the brakes. The number and size of air tanks varies among vehicles. This questions appears in the following tests: Alaska Air Brakes Arizona Class A Knowledge Test Arizona Air Brakes California Class B Knowledge Test Connecticut Class B Knowledge Test Hawaii Class A Knowledge Test Idaho Air Brakes Idaho Air Brakes Iowa Air Brakes Maine Class A Knowledge Test Maine Air Brakes Maine Air Brakes Michigan Air Brakes Missouri Class B Knowledge Test Nebraska Class B Knowledge Test Nebraska Air Brakes New Mexico Class B Knowledge Test Ohio Air Brakes Oklahoma Air Brakes South Dakota Double Virginia Air Brakes Virginia Air Brakes Washington Air Brakes Wisconsin Double Wisconsin Air Brakes
