Air tanks usually hold enough compressed air: Do you currently have car insurance? Insurance is mandatory to drive in Ohio Yes I have insurance. But please show me your best quotes. No, please help me find the best insurance. Question Air tanks usually hold enough compressed air: Answers For one stop before needing to be refilled. For several stops before needing to be refilled. For a day’s worth of braking. For an unlimited number of stops. Explanation In an air braking system, the air storage tanks can usually hold enough compressed air for the brakes to be used several times. This questions appears in the following tests: District Of Columbia Air Brakes Minnesota Air Brakes New Jersey Tank Oregon Class B Knowledge Test West Virginia Air Brakes Wyoming Class A Knowledge Test Wyoming Class B Knowledge Test