To prevent over-pressurization when loading...

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Question 1 of 205eccef9bbacbc34ba4d453cd

To prevent over-pressurization when loading liquid petroleum products, cargo tanks must be fitted with a/an __________.

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5eccef9bbacbc34ba4d453cd

To prevent over-pressurization when loading liquid petroleum products, cargo tanks must be fitted with a/an __________.

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🔍 Key Concepts

• cargo tank venting systems on petroleum tankers • purpose of a pressure-vacuum protection device during loading and discharging • difference between ullage openings and automatic safety devices

💭 Think About

• When a petroleum cargo tank is being loaded quickly, what happens to the air and vapors already in the tank if they cannot escape freely? • Which device is specifically designed to open automatically at a set pressure to protect the tank structure, rather than being a simple access or measurement point? • Think about which choice is a standard fitting required by regulations for tank over-pressure/under-pressure protection, not just for gauging or connecting lines.

✅ Before You Answer

• Identify which option is an automatic safety device that responds to both pressure and sometimes vacuum conditions. • Eliminate any option that is mainly used for manual gauging or sampling, not continuous over-pressure protection. • Confirm which fitting is normally found on the venting system at or near the top of the tank, not inside the piping or cargo line system.

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Question 1 of 205eccef9bbacbc34ba4d453cd

To prevent over-pressurization when loading liquid petroleum products, cargo tanks must be fitted with a/an __________.

Back

Question 1 of 20

5eccef9bbacbc34ba4d453cd

To prevent over-pressurization when loading liquid petroleum products, cargo tanks must be fitted with a/an __________.

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