Coast Guard Regulations (46 CFR) require...

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Question 1 of 205eccef9cbacbc34ba4d45723

Coast Guard Regulations (46 CFR) require small electric storage tank-type hot water boilers, rated at no more than 600 volts, must be fitted with a temperature limiting device to prevent the water in the upper 25% of the tank from attaining a temperature higher than __________.

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🔍 Key Concepts

• 46 CFR requirements for hot water boilers and temperature limiting devices • Typical maximum safe temperatures for hot water in marine service before scalding/steam concerns • Difference between Celsius and Fahrenheit scales and realistic operating temperatures

💭 Think About

• Think about what temperature range would still be considered hot water and not approach steam conditions in a closed tank on a vessel • Convert each Celsius option to approximate Fahrenheit and ask yourself which seems like a realistic upper safety limit for a domestic-type hot water tank • Eliminate any options that are clearly above the boiling point of water at normal atmospheric pressure

✅ Before You Answer

• Verify the boiling point of water in °C and compare it with each choice • Check which choice best matches typical marine hot water system limits used to avoid scalding injuries (around 140–160°F) • Confirm in 46 CFR that the requirement is expressed in degrees Celsius, then match that to a reasonable Fahrenheit equivalent

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