The DEEP DRILLER is loaded as shown in...

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Question 1 of 2066636ee728f7522a1c5178f9

The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). While the unit is deballasting, starboard valve 17 fails in the closed position. You may deballast from tank 8S by pumping from tank 9S and opening valves 18 and __________.

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Question 1 of 20

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🔍 Key Concepts

• Ballast/deballast system line-up on the DEEP DRILLER (as shown on the load form/ballast diagram) • Effect of a valve failed in the closed position on possible flow paths • How tanks 8S and 9S are interconnected through valves 18 and the numbered choices

💭 Think About

• On the piping diagram, trace the path you need for water to move from 8S to wherever it must go when deballasting using 9S and valve 18. Which other valve must be open to complete that path? • If valve 17 is failed closed, which of the answer choices would NOT allow flow, even if you selected it? Eliminate anything that depends on the failed valve opening. • Look at how 8S, 9S, and the common ballast line are connected. Which valve number in the choices actually connects that line so that pumping from 9S will also deballast 8S?

✅ Before You Answer

• Confirm on the diagram that valve 17 is out of service (cannot be used because it failed closed). • Verify which valve number in the choices is physically located on the line that links 8S into the same suction/discharge path as 9S via valve 18. • Double‑check that your chosen valve, together with 18, forms an unbroken flow path from tank 8S to the pump without relying on valve 17.

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