Engineering Materials Delta iron occurs at temperature of Room temperature Between 910°C and 1400°C Above melting point Between 1400°C and 1539°C Room temperature Between 910°C and 1400°C Above melting point Between 1400°C and 1539°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Quenching is not necessary when hardening is done by Case hardening Nitriding Flame hardening Any one of these Case hardening Nitriding Flame hardening Any one of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The cupola is used to manufacture Wrought iron Steel Cast iron Pig iron Wrought iron Steel Cast iron Pig iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The material in which the atoms are arranged chaotically, is called Amorphous material Crystalline material Mesomorphous material None of these Amorphous material Crystalline material Mesomorphous material None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The toughness of a material __________ when it is heated. Remain same None of these Decreases Increases Remain same None of these Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tensile strength of steel can be safely increased by 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% Adding small quantities of copper Adding carbon up to 6.3% Adding carbon up to 0.83% ANSWER DOWNLOAD EXAMIANS APP
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