USCG USCG Steam
Set 4 • Question #345 of 496
Launch Interactive Practice Room Which of the listed refractory materials can be used as a substitute for insulating brick and insulating block in certain boiler walls construction?
A
Insulating cement
B
Castable fireclay
C
Castable insulation
✓ Correct Answer
D
None of the above
USCG NMC Regulatory Explanation
In USCG Steam Plants (Boilers & Turbines), regarding 'Which of the listed refractory materials can be used as a substitute for insulating brick and insulating block in certain boiler walls construction', the verified engineering fact is: 'Castable insulation'.
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