While on watch in the engine room and steaming at a steady rate, the water level begins to decrease and suddenly drops out of sight in the boiler gage glass. Your FIRST corrective action should be to __________.
• Boiler low-water conditions and risk of overheating • Purpose of a gage glass blowdown test versus emergency actions • Why sudden disappearance of water in the gage glass is especially dangerous at sea
• Think about which action immediately prevents further damage to the boiler when water level suddenly disappears from sight. • Ask yourself: is this a situation to test the instrument, or to protect the boiler from overheating right now? • Consider what could happen inside the boiler if you continue steaming with no visible water level.
• Identify which choice instantly reduces heat input to the boiler tubes. • Verify which action could make a low-water condition worse if done at the wrong time. • Confirm which step is normally done as a routine check versus an emergency response to a disappearing water level.
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