What is NOT required of the cargo tank...

Question 1 / 205eccef9ebacbc34ba4d46629

Question 1 of 205eccef9ebacbc34ba4d46629

What is NOT required of the cargo tank venting on a tank barge carrying grade A liquids?

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5eccef9ebacbc34ba4d46629

What is NOT required of the cargo tank venting on a tank barge carrying grade A liquids?

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🔍 Key Concepts

• 46 CFR requirements for cargo tank venting on barges carrying Grade A flammable liquids • Purpose of pressure-vacuum (P/V) valves and vent headers on tank barges • Distinguishing between general safety principles (vents on each tank, adequate height) and very specific dimensional requirements

💭 Think About

• Ask yourself which options clearly relate to preventing overpressure, vacuum, or vapor accumulation hazards on a tank barge carrying highly flammable cargo. • Consider whether the regulations usually specify exact minimum vent diameters, or whether they more often require vents to be "adequate" or "suitable" for the service. • Think about which one choice sounds like a very specific engineering number that might not appear as a universal requirement in the regulations.

✅ Before You Answer

• Check 46 CFR for any explicit statement about minimum vent diameter for Grade A cargo tank vents. • Verify that a pressure-vacuum valve on a vent header is indeed tied to controlling pressure and vapors on flammable liquid cargoes. • Confirm that each cargo tank must have some means of venting and that vents are required to reach a safe height above the deck to disperse vapors.

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Question 1 of 20

What is NOT required of the cargo tank venting on a tank barge carrying grade A liquids?

Each cargo tank must have a vent.

A vent header must be fitted with a pressure-vacuum valve.

The diameter of the vent must be greater than 4 inches in diameter.

The vent must extend to a reasonable height above the weather deck.

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Question 1 / 205eccef9ebacbc34ba4d46629

Question 1 of 205eccef9ebacbc34ba4d46629

What is NOT required of the cargo tank venting on a tank barge carrying grade A liquids?

Back

Question 1 of 20

5eccef9ebacbc34ba4d46629

What is NOT required of the cargo tank venting on a tank barge carrying grade A liquids?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

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