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Red shortness is a defect occurring in steel due to the presence of an excess amount of ___________

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Red shortness is a defect occurring in steel due to the presence of an excess amount of ___________

(a) Sulphur

(b) Phosphorus

(c) Sodium

(d) Calcium

I have been asked this question by my college director while I was bunking the class.

This question is from Steel in portion Steel, Timber, Mortar, Plastics, Non-Ferrous Metals and Alloys of Construction & Building Materials

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Right choice is (a) Sulphur

For explanation: Red shortness is a defect occurring in steel due to the presence of an excess amount of sulphur. Steel with this defect cracks when being worked in a hot state.

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