Q
41. Why must air tanks be drained?
Air Brakesmedium
ATo drain all the air out of the tank.
BTo drain moisture and oil out of tank.
CTo tell you how much air is in the air tanks.
Detailed Explanation
The correct answer is "To drain moisture and oil out of tank.". This is based on federal CDL regulations and safety standards.
Correct Answer: To drain moisture and oil out of tank.
Ready to practice for real?
Take our free, full-length Air Brakes practice test. Simulates the actual DMV exam with timed questions.
Start Practice TestRelated Questions
35. Air braking takes more time than hydraulic braking because air:
air-brakesmedium
During a walk-around inspection, ensure there are no cracks on the brake drums that are more than ____ of the width of the friction area.
air-brakesmedium
43. Both systems run off of the same air compressor, so if one air compressor malfunctions you will not be able to build or maintain pressure in either system.
air-brakesmedium
13. If your truck has a properly functioning dual air brake system and minimum size air tanks, the air pressure should build from 85 to 100 psi within _ seconds?
air-brakesmedium
11. Your truck has a dual air system, and one of the systems loses its pressure. What will happen?
air-brakesmedium