Materials and Construction Presence of silicon in steel None of these Indicates that steel is not deoxidised properly Decreases the blow holes formation tendency in castings Is in the form of free Si None of these Indicates that steel is not deoxidised properly Decreases the blow holes formation tendency in castings Is in the form of free Si ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Galvanising (i.e., zinc coating) of steel sheets is done to Protect the base metal by cathodic protection Prevent its rusting by contact with corrosive atmosphere Both A & B Neither A nor B Protect the base metal by cathodic protection Prevent its rusting by contact with corrosive atmosphere Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Galvanised iron is None of these Protected from rusting Alumina coated iron Harder None of these Protected from rusting Alumina coated iron Harder ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ceramic recuperators are generally made of Silicon carbide High alumina bricks Calcium carbide Fireclay bricks Silicon carbide High alumina bricks Calcium carbide Fireclay bricks ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Generally __________ are subjected to galvanising (i.e., zinc coating). Non-metals Non-ferrous metals Stainless steel Low carbon steels Non-metals Non-ferrous metals Stainless steel Low carbon steels ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The range of Mho's scale of hardness is from 0 to 10 1 to 8 1 to 10 1 to 15 0 to 10 1 to 8 1 to 10 1 to 15 ANSWER DOWNLOAD EXAMIANS APP
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