Materials and Construction 'Semi steel' is Neither A nor B Stronger than cast iron Produced by adding 10-20% steel to the cupola charge Both A & B Neither A nor B Stronger than cast iron Produced by adding 10-20% steel to the cupola charge Both A & B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Silicon percentage in iron castings to have maximum hardness should be about 0.5 0.8 0.3 2.5 0.5 0.8 0.3 2.5 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hammers and railway rails are normally made of Dead mild steel High carbon steel Medium carbon steel Mild steel Dead mild steel High carbon steel Medium carbon steel Mild steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cementite is Fe₃C chemically All of these A compound of carbon and iron Characterised by an orthorhombic crystal structure Fe₃C chemically All of these A compound of carbon and iron Characterised by an orthorhombic crystal structure ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Corrosion involves exchange of electrons in __________ corrosion. Electrochemical Chemical Both A & B Neither A nor B Electrochemical Chemical Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The damage/deterioration of metals by the __________ action of fluids is called 'erosion'. Neither A nor B Both A & B Corrosive Abrasive Neither A nor B Both A & B Corrosive Abrasive ANSWER DOWNLOAD EXAMIANS APP
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