Coast Guard Regulations (46 CFR Part 52)...

Question 1 / 270705eccefa0bacbc34ba4d46d69

Question 1 of 270705eccefa0bacbc34ba4d46d69

Coast Guard Regulations (46 CFR Part 52) concerning boiler superheater safety valves require that the valve ________.

Question 1 of 27070

Coast Guard Regulations (46 CFR Part 52) concerning boiler superheater safety valves require that the valve ________.

🔍 Key Concepts

• 46 CFR Part 52 boiler construction and safety device requirements • Design features unique to superheater safety valves (high temperature, risk of moisture accumulation) • Materials and connection types normally used on high‑pressure steam safety valves

💭 Think About

• Look at which options describe a design/installation requirement for the valve itself, rather than an operating or setting guideline that would depend on the specific boiler. • Think about what extra hazard a superheater has compared with a drum (hint: temperature and possible condensate) and which feature would be intended to protect the valve from that hazard. • Eliminate any choices that conflict with normal engineering practice for high‑pressure, high‑temperature steam valves (body material, size of threaded connections, relative set pressures).

✅ Before You Answer

• Verify in 46 CFR Part 52, Subpart 52.01 or 52.05 where superheater safety valves are discussed; look for a sentence that starts with "Superheater safety valves shall..." or similar language. • Check which option deals with draining condensate from the valve to prevent water accumulation in a very hot area. • Confirm that any requirement about body material (e.g., cast iron) or connection type (threaded vs flanged) matches typical USCG rules for high‑temperature, high‑pressure safety valves; if it seems unsafe or unusual, it is likely not the regulatory requirement.

Question 1 of 27070

Coast Guard Regulations (46 CFR Part 52) concerning boiler superheater safety valves require that the valve ________.

be set at a lifting pressure that is higher than the drum safety valve

have a drain opening tapped for not less than 1/4 in. NPS

be constructed with a cast iron body

have a threaded inlet connection if greater than 2 in. NPS

Question 1 / 270705eccefa0bacbc34ba4d46d69

Question 1 of 270705eccefa0bacbc34ba4d46d69

Coast Guard Regulations (46 CFR Part 52) concerning boiler superheater safety valves require that the valve ________.

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Question 1 of 27070

Coast Guard Regulations (46 CFR Part 52) concerning boiler superheater safety valves require that the valve ________.