Inspection第 27 / 60 题

Why is it important to inspect vents on a tank vehicle?

a.Vents are only used to fill the tank faster
b.Vents control the color of the placards
c.Vents replace the need for a pressure relief valve
d.Vents must work properly so the tank does not collapse or build dangerous pressure

解析

Many tanks have vents that must operate correctly to keep pressure balanced. If a vent is clogged or stuck, the tank could build up pressure or form a vacuum and collapse. Checking that vents are clear and functional is part of a proper tank inspection.

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