Materials and Construction Presence of silicon in steel Decreases the blow holes formation tendency in castings Indicates that steel is not deoxidised properly Is in the form of free Si None of these Decreases the blow holes formation tendency in castings Indicates that steel is not deoxidised properly Is in the form of free Si None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Addition of nickel to copper improves its Strength Ductility Hardness Machinability Strength Ductility Hardness Machinability ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The temperature at which new grains are formed in the metal is called the __________ temperature. Upper critical Lower critical Recrystallisation Eutectic Upper critical Lower critical Recrystallisation Eutectic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction 'Age hardening' of duralumin is due to Both A & B Neither A nor B Copper Magnesium Both A & B Neither A nor B Copper Magnesium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The process of heating the cold pressed metallic powder is called __________ in powder metallurgy. Sintering Fusion Precipitation Agglomeration Sintering Fusion Precipitation Agglomeration ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following alloys does not contain nickel? Chlorinet - 2 alloy Inconel Monel Babbit metal Chlorinet - 2 alloy Inconel Monel Babbit metal ANSWER DOWNLOAD EXAMIANS APP