What furnace components are susceptible to damage from thermal shock?
A. Tubes
B. Safety interlocks
C. Refractory materials
D. Firebox
A. Incorrect. Furnaces must be heated up and cooled down gradually to prevent damage to the furnace firebox insulation and refractory materials because these components are susceptible to damage from thermal shock.
B. Incorrect. Furnaces must be heated up and cooled down gradually to prevent damage to the furnace firebox insulation and refractory materials because these components are susceptible to damage from thermal shock.
C. Correct. Furnaces must be heated up and cooled down gradually to prevent damage to the furnace firebox insulation and refractory materials because these components are susceptible to damage from thermal shock.
D. Incorrect. Furnaces must be heated up and cooled down gradually to prevent damage to the furnace firebox insulation and refractory materials because these components are susceptible to damage from thermal shock.
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