CDL Air Brakes questions and answers with latest updates
CDL Air Brakes questions and answers with latest updates A low air pressure warning signal should activate: Correct Answer: When tank pressure falls below 60 psi. Why should you regularly drain the air tanks? Correct Answer: Because compressed air contains some water and the water collects in the tanks Vehicles equipped with Anti-Lock Braking Systems (ABS) have ____ malfunction lamps to indicate when the ABS is not working. Correct Answer: Yellow A dual air brake system: Correct Answer: Consists of two separate air brake systems that share a single set of controls. A safety valve is set to open at ____ pounds per square inch (psi). Correct Answer: 150 Air pressure should build up in a single air system within: Correct Answer: Three minutes. Some air brake systems use alcohol: Correct Answer: To reduce the risk of ice forming in air brake valves. Spring brakes come on: Correct Answer: When too much air pressure is lost. On trucks and buses, where are ABS malfunction lamps located? Correct Answer: On the instrument panel
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cdl air brakes questions and answers with latest updates
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