Materials and Construction Presence of nitrogen in steel Increases its hardness Increases its strength Makes it brittle Is desirable Increases its hardness Increases its strength Makes it brittle Is desirable ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Wood metal is not used for making Soft solder Casting for dental work Storage tank for storing brine and caustic soda Fusible safety plug for pressure cooker Soft solder Casting for dental work Storage tank for storing brine and caustic soda Fusible safety plug for pressure cooker ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cementite is Characterised by an orthorhombic crystal structure A compound of carbon and iron All of these Fe₃C chemically Characterised by an orthorhombic crystal structure A compound of carbon and iron All of these Fe₃C chemically ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction 'Semi steel' is Stronger than cast iron Neither A nor B Both A & B Produced by adding 10-20% steel to the cupola charge Stronger than cast iron Neither A nor B Both A & B Produced by adding 10-20% steel to the cupola charge ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction When the steel is subjected to normalising, its __________ decreases. None of these Yield point Ductility Ultimate tensile strength (UTS) None of these Yield point Ductility Ultimate tensile strength (UTS) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Atmospheric corrosion of metals result from their Fast hydration Fast oxidation Slow dehydration Slow oxidation Fast hydration Fast oxidation Slow dehydration Slow oxidation ANSWER DOWNLOAD EXAMIANS APP
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