USCG USCG Steam
Set 4 • Question #343 of 496
Launch Interactive Practice Room Which of the listed refractory materials will develop required strength only after being heated at a temperature of 1095° C (2000° F) or higher?
A
Castable fireclay
B
Plastic fireclay
✓ Correct Answer
C
Castable insulation
D
Chrome castable
USCG NMC Regulatory Explanation
In USCG Steam Plants (Boilers & Turbines), regarding 'Which of the listed refractory materials will develop required strength only after being heated at a temperature of 1095° C (2000° F) or higher', the verified engineering fact is: 'Plastic fireclay'.
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