InspectionCâu 39 / 60
Why should you drain the air tanks and check for oil or water before a trip if the tanks do not have automatic drains?
a.To remove moisture and oil that could damage the brakes or freeze
b.To increase the air pressure
c.To speed up the compressor
d.To test the parking brake knob
Giải thích
Air tanks collect water and compressor oil, so tanks without automatic drains must be drained manually. Removing this buildup prevents freezing in cold weather and protects brake components. A lot of oil in the tanks can indicate a compressor problem.
Luyện miễn phí toàn bộ 60 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- What should you check about the brake drums or discs during a walk-around inspection?
- During inspection, brake linings (shoes or pads) should be checked for what?
- When inspecting the air lines and hoses, what should you look for?
- During the pre-trip air brake check, when should you check that the pushrod stroke is not too long?
- What does it mean if the low-pressure warning stays on after you start building air pressure?
- Before the leak-down (static) tests, to what pressure should the air system be brought?
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