The DEEP DRILLER is loaded as shown in...

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Question 1 of 2066636ee728f7522a1c517909

The DEEP DRILLER is loaded as shown in Sample Load Form #5 (Survival). While the unit is deballasting, starboard valve 5 fails in the closed position. You may deballast from tank 2S by pumping from tank 1S after opening valves 6 and __________.

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Question 1 of 20

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🔍 Key Concepts

• Ballast system flow paths on the DEEP DRILLER as shown on Sample Load Form #5 (know which valves connect which tanks) • Difference between suction side and discharge side of the ballast pump and how valves isolate each side • Effect of a failed-closed valve on possible alternative routes for water transfer

💭 Think About

• Trace the intended deballasting path from tank 2S when valve 5 is stuck shut. Which valves must be open so water can still reach the pump and be discharged? • Look at how tanks 1S and 2S are interconnected. If you pump from 1S, which additional valve number would you open so that water in 2S can flow to 1S? • Eliminate any valve numbers that clearly belong to a different tank group or a line that does not connect 1S and 2S on the diagram.

✅ Before You Answer

• Confirm on the ballast line diagram which valve numbers are actually between tanks 1S and 2S (not between port and starboard, or other tank pairs). • Verify that the chosen valve, together with valve 6, forms a continuous, unblocked path from tank 2S to tank 1S and then to the pump. • Make sure the failed valve 5 is not required anywhere in the alternate route you’re choosing; your path must fully bypass valve 5.

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