Regulations require that cargo tanks in...

Question 1 / 205eccef9ebacbc34ba4d4662c

Question 1 of 205eccef9ebacbc34ba4d4662c

Regulations require that cargo tanks in which grades B or C liquids are carried must be vented with which of the following?

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Question 1 of 20

5eccef9ebacbc34ba4d4662c

Regulations require that cargo tanks in which grades B or C liquids are carried must be vented with which of the following?

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🔍 Key Concepts

• 46 CFR requirements for cargo tank venting on tank vessels carrying flammable and combustible liquids • Differences between flame screens, pressure-vacuum relief valves, and simple open vents like goosenecks • Purpose of venting systems: prevent overpressure/vacuum and flashback of flame into the tank

💭 Think About

• Which option directly addresses both explosion protection (stopping flame from entering the tank) and safe venting of vapors? • Which listed device is normally used to control tank pressure during loading/discharging and thermal expansion of cargo? • Are any of the options clearly not a venting device for cargo tanks, but instead an air‑moving or duct feature?

✅ Before You Answer

• Check 46 CFR Part 39 and Part 30–40 for tank‑vessel cargo tank venting requirements for Grades B and C cargoes • Verify which device is specifically required to prevent flame propagation back into cargo tanks handling flammable/combustible liquids • Confirm which choices are primarily for pressure control, which are for flame arresting, and which are just simple open vents or unrelated equipment

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Question 1 of 20

Regulations require that cargo tanks in which grades B or C liquids are carried must be vented with which of the following?

Gooseneck vents

Flame screens

Pressure vacuum relief valves

Forced draft blowers

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Question 1 / 205eccef9ebacbc34ba4d4662c

Question 1 of 205eccef9ebacbc34ba4d4662c

Regulations require that cargo tanks in which grades B or C liquids are carried must be vented with which of the following?

Back

Question 1 of 20

5eccef9ebacbc34ba4d4662c

Regulations require that cargo tanks in which grades B or C liquids are carried must be vented with which of the following?

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