As routine maintenance, the bilge manifold...

Question 1 / 205eccef9bbacbc34ba4d45685

Question 1 of 205eccef9bbacbc34ba4d45685

As routine maintenance, the bilge manifold valves are periodically removed and examined. Prior to re-securing the valve bonnets, the valve __________.

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Question 1 of 20

5eccef9bbacbc34ba4d45685

As routine maintenance, the bilge manifold valves are periodically removed and examined. Prior to re-securing the valve bonnets, the valve __________.

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🔍 Key Concepts

• Valve maintenance sequence – what must be done before reassembling a valve bonnet • Differences between disks/seats, bonnet gaskets, and stem packing – what each part does and how failure shows up • Good marine engineering practice: when one part is inspected, do you usually service only one area or all affected sealing surfaces?

💭 Think About

• Think about which components are actually disturbed or exposed when you remove a valve bonnet for inspection – which parts are now accessible and logical to service at that time? • Ask yourself: if you skip any one of these checks, what type of leak or failure could occur later (internal leakage, external leakage, or leakage around the stem)? • Consider typical shipboard maintenance philosophy: when the valve is already open and apart, what is the most preventative and efficient work to do before closing it up again?

✅ Before You Answer

• Verify which items directly affect leak-tightness once the valve is reassembled: internal sealing (disk/seat), body/bonnet joint (gasket), and stem area (packing). • Check whether any option excludes another, or whether one option could reasonably include the others as part of a complete maintenance step. • Be sure you understand that the question is asking what should be done prior to re-securing the bonnet, not what might be done later in a different maintenance evolution.

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Question 1 of 20

As routine maintenance, the bilge manifold valves are periodically removed and examined. Prior to re-securing the valve bonnets, the valve __________.

disks and seats should be checked and lapped if necessary

bonnet flange gaskets should be renewed if they were cut or torn

stem packing should be renewed if the packing has hardened

all of the above

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Question 1 / 205eccef9bbacbc34ba4d45685

Question 1 of 205eccef9bbacbc34ba4d45685

As routine maintenance, the bilge manifold valves are periodically removed and examined. Prior to re-securing the valve bonnets, the valve __________.

Back

Question 1 of 20

5eccef9bbacbc34ba4d45685

As routine maintenance, the bilge manifold valves are periodically removed and examined. Prior to re-securing the valve bonnets, the valve __________.

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