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Exam CFPS Topic 1 Question 76 Discussion

Actual exam question for NFPA's CFPS exam
Question #: 76
Topic #: 1
Which pure metal in its solid form in oxygen has the highest ignition temperature in degrees Fahrenheit?

Suggested Answer: C Vote an answer

Explanation
According to the web search results, titanium is the pure metal in its solid form in oxygen that has the highest ignition temperature in degrees Fahrenheit.The spontaneous-ignition temperature of titanium in the solid phase (below melting) is about 3020°F (1660°C)1.Aluminum, potassium, and zirconium have lower ignition temperatures in the solid phase, ranging from 1292°F (700°C) to 1652°F (900°C)23.References:
IGNITION OF METALS IN HIGH PRESSURE OXYGEN2
Combustion of Metals in Oxygen-Enriched Atmospheres3
High-temperature oxidation and ignition of metals1

by Elsa at Apr 01, 2024, 04:51 AM

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