Which of the following fixed temperature...

Question 1 / 205eccef9ebacbc34ba4d464b1

Question 1 of 205eccef9ebacbc34ba4d464b1

Which of the following fixed temperature heat-actuated fire detectors is the most prone to false alarms?

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Question 1 of 20

5eccef9ebacbc34ba4d464b1

Which of the following fixed temperature heat-actuated fire detectors is the most prone to false alarms?

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🔍 Key Concepts

• Fixed-temperature heat detectors vs. rate-of-rise detectors • How different actuating elements (fusible alloy, liquid, bimetallic strip/disc) respond to small, normal temperature fluctuations • Which designs are better at avoiding nuisance/false alarms from minor, brief overheating

💭 Think About

• Think about which detector type will react to very small temperature changes around its set point rather than requiring a clear, sustained over-temperature condition. • Which element is more likely to flex or move repeatedly with everyday temperature cycling (day/night changes, galley heat, sunlight on bulkheads)? • Compare how "snap-action" behavior differs from gradual bending or expansion in terms of triggering an alarm only when a definite threshold is reached.

✅ Before You Answer

• Identify which device is designed to move gradually with temperature rather than giving a sharp, definite snap at a set point. • Consider which design is least selective and may respond to minor, localized heating or drafts. • Ask yourself which detector type is generally considered more stable and resistant to nuisance trips in marine fire-detection systems, and rule those out.

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Question 1 of 20

Which of the following fixed temperature heat-actuated fire detectors is the most prone to false alarms?

fusible metal detector

liquid expansion detector

snap-action bimetallic disc

bimetallic strip detector

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Question 1 / 205eccef9ebacbc34ba4d464b1

Question 1 of 205eccef9ebacbc34ba4d464b1

Which of the following fixed temperature heat-actuated fire detectors is the most prone to false alarms?

Back

Question 1 of 20

5eccef9ebacbc34ba4d464b1

Which of the following fixed temperature heat-actuated fire detectors is the most prone to false alarms?

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