Deformation of steel can occur at heat flux of 25 KW/m^2.

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Multiple Choice

Deformation of steel can occur at heat flux of 25 KW/m^2.

Explanation:
When steel is exposed to heat, its temperature rises and its strength drops. A heat flux of 25 KW/m^2 is the level at which that heating is sufficient to cause deformation under the conditions described in the item. The correct value matches the threshold indicated, so deformation can occur at that heat flux. The other numbers don’t match the stated threshold in the prompt, so they aren’t the value the question is asking for.

When steel is exposed to heat, its temperature rises and its strength drops. A heat flux of 25 KW/m^2 is the level at which that heating is sufficient to cause deformation under the conditions described in the item. The correct value matches the threshold indicated, so deformation can occur at that heat flux. The other numbers don’t match the stated threshold in the prompt, so they aren’t the value the question is asking for.

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