A wooden plug fitted tightly in the vent of...

A wooden plug fitted tightly in the vent of...

Question 1 of 2707066636ef128f7522a1c521d70

A wooden plug fitted tightly in the vent of a damaged tank may prevent which situation?

Question 1 of 27070

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Q

A wooden plug fitted tightly in the vent of a damaged tank may prevent which situation?

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🔍 Key Concepts

• Tank venting and downflooding on damaged tanks • How air trapped in a tank affects the flow of liquid into that tank • Relationship between free surface and a tank being only partially filled

💭 Think About

• What happens to liquid flow if the vent is blocked and air cannot easily escape from (or enter) a tank? • Does a tank need to be partially full, or completely full, for free surface effects to occur? • If you stop a tank from completely filling, what type of stability problem might you still have?

✅ Before You Answer

• Clarify the difference between free surface and free surface moment • Think about whether a tightly plugged vent would more likely stop structural collapse, free surface, free surface moment, or full flooding • Remember that free surface effects occur in slack (partially filled) tanks, not in tanks that are completely full or completely empty