Cargo tanks on barges fitted with goose neck...

Question 1 / 205eccef9cbacbc34ba4d45c0d

Question 1 of 205eccef9cbacbc34ba4d45c0d

Cargo tanks on barges fitted with goose neck vents and flame screens are limited to carrying which grade of cargo?

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Question 1 of 20

5eccef9cbacbc34ba4d45c0d

Cargo tanks on barges fitted with goose neck vents and flame screens are limited to carrying which grade of cargo?

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🔍 Key Concepts

• Cargo grade classifications (A, B, C, D, E) in 46 CFR for flammable/combustible liquids and their flash points • The purpose and limitations of goose neck vents with flame screens versus more sophisticated venting systems (e.g., P/V valves, flame arresters) • Which grades of cargo produce more hazardous vapors that may require higher levels of vent and flame protection

💭 Think About

• Compare which cargo grades have the lowest flash points and therefore generate the most flammable vapors that could ignite at normal temperatures • Ask yourself: for which grades would a simple goose neck with a flame screen be considered insufficient protection, requiring a more advanced venting/relief system? • Order the grades from most hazardous to least, then decide at what grade level regulations usually start allowing simpler vent arrangements

✅ Before You Answer

• Verify in 46 CFR how Grades A, B, C, D, and E are defined by flash point and vapor pressure • Check which grades are allowed to use only goose neck vents with flame screens instead of full P/V (pressure-vacuum) valves or detonation/flame arrestors • Make sure your choice reflects a limit (upper boundary) — meaning: up to and including which maximum grade those vents are permitted

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Question 1 of 20

Cargo tanks on barges fitted with goose neck vents and flame screens are limited to carrying which grade of cargo?

A and below

B and below

C and below

D and E only

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Question 1 / 205eccef9cbacbc34ba4d45c0d

Question 1 of 205eccef9cbacbc34ba4d45c0d

Cargo tanks on barges fitted with goose neck vents and flame screens are limited to carrying which grade of cargo?

Back

Question 1 of 20

5eccef9cbacbc34ba4d45c0d

Cargo tanks on barges fitted with goose neck vents and flame screens are limited to carrying which grade of cargo?

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?

Quick actions

— No credit card needed