The knife edges and gaskets of watertight...

Question 1 / 205eccef9bbacbc34ba4d45379

Question 1 of 205eccef9bbacbc34ba4d45379

The knife edges and gaskets of watertight doors should be __________.

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Question 1 of 20

5eccef9bbacbc34ba4d45379

The knife edges and gaskets of watertight doors should be __________.

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🔍 Key Concepts

• Watertight integrity and how doors maintain a tight seal • The function of knife edges and gaskets in making a watertight joint • How coatings, oils, grease, or paint can affect the sealing surfaces of rubber gaskets and metal edges

💭 Think About

• Think about what condition the metal edge and rubber gasket must be in so they can fully contact each other and seal against water pressure. • Consider whether adding any kind of coating (oil, grease, paint, etc.) would help or interfere with a tight, reliable seal over time. • Ask yourself what standard practice is on well-maintained ships when preparing watertight doors for inspection or pressure tests.

✅ Before You Answer

• Verify which choice best preserves full, clean contact between metal knife edge and gasket. • Check whether any listed coating could cause swelling, deterioration, or slipping of the gasket material. • Confirm which option aligns with good watertight door maintenance before a survey or flooding drill.

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Question 1 of 20

The knife edges and gaskets of watertight doors should be __________.

clean and uncoated

lightly coated with tallow

coated with petroleum jelly

painted to prevent weathering

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Question 1 / 205eccef9bbacbc34ba4d45379

Question 1 of 205eccef9bbacbc34ba4d45379

The knife edges and gaskets of watertight doors should be __________.

Back

Question 1 of 20

5eccef9bbacbc34ba4d45379

The knife edges and gaskets of watertight doors should be __________.

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