Dilatometer is used for the determination of ______________ of refractories?
Correct answer: A. Permanent linear change
- A. Permanent linear change
- B. Modulus of rupture
- C. Resistance to CO attack
- D. RUL
Explanation
A dilatometer measures dimensional change during heating and cooling, allowing the permanent linear change of a refractory to be determined. RUL requires a separate loaded high-temperature test.
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