In a crude oil washing system, according to...

Question 1 / 205eccef9cbacbc34ba4d45c1e

Question 1 of 205eccef9cbacbc34ba4d45c1e

In a crude oil washing system, according to Coast Guard regulations (33 CFR), each cargo tank shall be fitted with a sufficient number of machines, such that those areas unwashed by direct impingement shall not exceed 10% for horizontal areas, and __________.

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🔍 Key Concepts

• 33 CFR crude oil washing requirements for cargo tanks • The meaning of direct impingement and how unwashed areas are limited • Relationship between allowed unwashed horizontal vs. vertical areas

💭 Think About

• Look up the specific 33 CFR section on crude oil washing and find the exact limits for both horizontal and vertical unwashed areas—how do they compare? • Think about why regulations might allow a different percentage for vertical surfaces than horizontal ones in terms of residue build‑up and safety. • Ask yourself: if 10% is allowed for horizontal areas, would the regulation likely be stricter, the same, or more lenient for vertical areas—and why?

✅ Before You Answer

• Verify the exact percentage for vertical unwashed areas in the relevant 33 CFR section on crude oil washing systems. • Confirm that the percentage in the regulation refers specifically to areas not reached by direct impingement of the washing machines. • Make sure you are reading the section that applies to crude oil washing on tankers, not to a different type of cargo or cleaning system.

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Question 1 of 20

5% for vertical areas

10% for vertical areas

15% for vertical areas

20% for vertical areas

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Question 1 / 205eccef9cbacbc34ba4d45c1e

Question 1 of 205eccef9cbacbc34ba4d45c1e

Back

Question 1 of 20

5eccef9cbacbc34ba4d45c1e

No comments yet

Be the first to share your thoughts!

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🔍 Key Concepts

💭 Think About

✅ Before You Answer

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