Small amounts of _____________ and __________ improve the quality of Bessemer pig.(a) Copper and sulphur(b) Silicon and phosphorus(c) Silicon and manganese(d) Phosphorus and sulphurThe question was asked in a national level competition.Asked question is from Ferrous Metals in chapter Air Conditioning, Thermal Insulation, Stones & Ferrous Metals of Construction & Building Materials

Small amounts of _____________ and __________ improve the quality of B

1.	Small amounts of _____________ and __________ improve the quality of Bessemer pig.(a) Copper and sulphur(b) Silicon and phosphorus(c) Silicon and manganese(d) Phosphorus and sulphurThe question was asked in a national level competition.Asked question is from Ferrous Metals in chapter Air Conditioning, Thermal Insulation, Stones & Ferrous Metals of Construction & Building Materials
Answer» Right choice is (c) Silicon and manganese The explanation is: Small AMOUNTS of silicon and manganese improve the quality of BESSEMER pig. HOWEVER, it should be free from phosphorus, COPPER and sulphur.

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