A safety 'ring pin' is usually inserted in...

Question 1 / 270705eccef9ebacbc34ba4d462cc

Question 1 of 270705eccef9ebacbc34ba4d462cc

A safety 'ring pin' is usually inserted in the handle of a CO₂ fire extinguisher to prevent __________.

Question 1 of 27070

A safety 'ring pin' is usually inserted in the handle of a CO₂ fire extinguisher to prevent __________.

🔍 Key Concepts

• CO₂ fire extinguisher operating mechanism (lever/handle, discharge valve, discharge horn) • Purpose of a safety pin / ring pin on any portable extinguisher • Difference between mechanical security of parts and preventing operation of the device

💭 Think About

• Think about what has to happen, mechanically, for a CO₂ extinguisher to start discharging. Which part has to move or be squeezed? • Ask yourself: what simple mistake or bump on board a vessel could be dangerous if the extinguisher were not secured by a pin? • Which options describe long‑term protection of parts, and which describe preventing something from happening suddenly and unintentionally?

✅ Before You Answer

• Identify which choice directly relates to unintentional operation of the extinguisher, not maintenance or cleanliness of the valve. • Eliminate any options that describe problems that are already prevented by threaded fittings or design clearances rather than by a small removable pin. • Confirm which answer matches what you physically see the pin doing when the handle is squeezed on a typical CO₂ or dry-chemical extinguisher.

Question 1 of 27070

A safety 'ring pin' is usually inserted in the handle of a CO₂ fire extinguisher to prevent __________.

the cylinder valve from coming loose

the handle from contacting the cylinder

contamination of the valve parts

accidental discharge from the extinguisher

Question 1 / 270705eccef9ebacbc34ba4d462cc

Question 1 of 270705eccef9ebacbc34ba4d462cc

A safety 'ring pin' is usually inserted in the handle of a CO₂ fire extinguisher to prevent __________.

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Question 1 of 27070

A safety 'ring pin' is usually inserted in the handle of a CO₂ fire extinguisher to prevent __________.