Which fitting is a closed chock?...

Which fitting is a closed chock? Illustration WR001DG

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🔍 Key Concepts

• Know the difference between chocks, bitts/bollards, and cleats used for mooring lines. • A closed chock has smooth rounded sides and a top that fully encloses the line opening, leaving no gap on top. • Identify which fitting in the picture is specifically designed to lead a line through an opening rather than to secure the bitter end of the line.

💭 Think About

• Which of the four fittings looks like it is meant for a line to pass through it toward a dock or another ship, instead of being wrapped around it to hold the line? • Look for the fitting where the metal forms a complete loop or tunnel around the line, protecting it from chafing on the ship’s edge. • Ask yourself which fittings would normally be mounted right at the ship’s rail or bulwark to guide the line outboard, instead of on the deck to tie off the line.

✅ Before You Answer

• Confirm that a closed chock must have no open top where the line could pop out if it slackens and then snaps tight. • Eliminate any fittings that are clearly used as bitts, bollards, or cleats (where you would make fast the standing part of the line). • Verify which illustration shows a fitting with a smooth internal opening designed to minimize chafing as the line changes angle.

🔍 Key Concepts

💭 Think About

✅ Before You Answer