A valve connected to the vent line labeled...

Question 1 / 205eccef9dbacbc34ba4d45d39

Question 1 of 205eccef9dbacbc34ba4d45d39

A valve connected to the vent line labeled "C" in the illustration should be opened __________. See illustration GS-0163.

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Question 1 of 20

5eccef9dbacbc34ba4d45d39

A valve connected to the vent line labeled "C" in the illustration should be opened __________. See illustration GS-0163.

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🔍 Key Concepts

• Function of a vent line on a pressurized dry bulk (or cargo) tank • Difference between a vent valve you operate manually and a pressure relief valve that opens automatically • Safety procedures for filling, discharging, and entering a tank for inspection or cleaning

💭 Think About

• Look at where line C is located on the tank and think: in which operations do you need a free path for air to escape or enter so the tank is NOT accidentally pressurized? • Which option describes a situation where you would most want to be absolutely sure the tank is at or near atmospheric pressure rather than under pressure? • Which answer choice sounds like an automatic safety device (relief valve) rather than a normal manually opened vent line?

✅ Before You Answer

• Confirm that line C is a vent to the atmosphere, not a discharge or filling line. • Distinguish between a pressure relief valve that opens by itself at a set pressure and a vent valve that you open by hand. • Before choosing, ask: during which listed operation would it be most dangerous if the tank were accidentally still pressurized? That’s when you would definitely open this valve.

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Question 1 of 20

A valve connected to the vent line labeled "C" in the illustration should be opened __________. See illustration GS-0163.

when flushing the pressure tank with firemain water

by a pressure relief valve when the pressure exceeds the preset level, usually 42 psig (2.98 kg/cm²)

at all times, except when the tank is pressurized for discharging or aerating the bulk material

when filling the tank or to insure that the tank is not pressurized prior to entering for cleaning and inspection

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Question 1 / 205eccef9dbacbc34ba4d45d39

Question 1 of 205eccef9dbacbc34ba4d45d39

A valve connected to the vent line labeled "C" in the illustration should be opened __________. See illustration GS-0163.

Back

Question 1 of 20

5eccef9dbacbc34ba4d45d39

A valve connected to the vent line labeled "C" in the illustration should be opened __________. See illustration GS-0163.

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