The pivot pin at the base of a sheath-screw...

Question 1 / 2707066636eec28f7522a1c51c9de

Question 1 of 2707066636eec28f7522a1c51c9de

The pivot pin at the base of a sheath-screw boom davit must be __________.

Question 1 of 27070

The pivot pin at the base of a sheath-screw boom davit must be __________.

🔍 Key Concepts

• Manufacturer’s maintenance and safety requirements for davits and launching appliances • Purpose and function of a pivot pin at the base of a sheath‑screw boom davit • What must be done to critical moving parts to ensure safe operation and reliability over time

💭 Think About

• Think about what the pivot pin actually does during launching and recovering the boat. Is it a moving part, a locking part, or a temporary fitting? • Which choice describes a realistic, routine safety practice that prevents wear, corrosion, or seizure of a critical joint? • Ask yourself which option sounds impractical or unsafe if applied over the full life of the vessel’s davits.

✅ Before You Answer

• Identify whether the pivot pin is a permanent structural part or something you would insert/remove every time you use the davit. • Consider which option aligns with normal inspection and maintenance routines rather than extreme or unlikely procedures. • Eliminate any answer that would create unnecessary risk of failure or be clearly unrealistic for regular shipboard operations.

Question 1 of 27070

The pivot pin at the base of a sheath-screw boom davit must be __________.

replaced at each inspection for certification

in the locked position after the boat is cradled and griped down

periodically removed for inspection and lubricated

inserted each time before the booms are cranked out

Question 1 / 2707066636eec28f7522a1c51c9de

Question 1 of 2707066636eec28f7522a1c51c9de

The pivot pin at the base of a sheath-screw boom davit must be __________.

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Question 1 of 27070

The pivot pin at the base of a sheath-screw boom davit must be __________.