Engineering Materials White cast iron has Low tensile strength Carbon in the form of carbide All of these High compressive strength Low tensile strength Carbon in the form of carbide All of these High compressive strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Grey cast iron has High tensile strength Carbon in the form of free graphite Low compressive strength All of these High tensile strength Carbon in the form of free graphite Low compressive strength All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Combined carbon in iron makes the metal Soft and gives a fine grained crystalline structure Hard and gives a fine grained crystalline structure Soft and gives coarse grained crystalline structure Hard and gives a coarse grained crystalline structure Soft and gives a fine grained crystalline structure Hard and gives a fine grained crystalline structure Soft and gives coarse grained crystalline structure Hard and gives a coarse grained crystalline structure ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following has highest specific strength of all structural materials? Titanium alloys Magnetic steel alloys Magnesium alloys Chromium alloys Titanium alloys Magnetic steel alloys Magnesium alloys Chromium alloys ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Smelting is the process of Reducing the ore with carbon in the presence of a flux Removing the impurities like clay, sand etc. from the iron ore by washing with water Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns All of these Reducing the ore with carbon in the presence of a flux Removing the impurities like clay, sand etc. from the iron ore by washing with water Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tensile strength of steel can be safely increased by Adding small quantities of copper Adding carbon up to 6.3% Adding carbon up to 0.83% Adding carbon up to 2.8% Adding small quantities of copper Adding carbon up to 6.3% Adding carbon up to 0.83% Adding carbon up to 2.8% ANSWER DOWNLOAD EXAMIANS APP
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