Why should you check the condition of the tank's pressure relief valves during inspection?

Pick an answer

1. A malfunctioning relief valve could fail to release excess pressure, risking tank damage or rupture
2. Relief valves are checked only once a year at scheduled maintenance, not as part of the everyday pre-trip routine
3. They only need checking if the tank is carrying a flammable liquid
4. Relief valves are decorative and serve no functional purpose

Correct!

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