Materials and Construction Mild steel is A low carbon steel (0.05 to 0.3% carbon) Highly resistant to corrosion (as much as stainless steel) A high carbon steel (0.5 to 1.5% carbon) Very poor in strength & ductility A low carbon steel (0.05 to 0.3% carbon) Highly resistant to corrosion (as much as stainless steel) A high carbon steel (0.5 to 1.5% carbon) Very poor in strength & ductility ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Gunmetal and bronze are not corroded by the action of Wet chlorine Nitric acid (< 25%) Hydrochloric acid (10%) Synthetic detergent solution Wet chlorine Nitric acid (< 25%) Hydrochloric acid (10%) Synthetic detergent solution ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hardening of steel is not possible unless it is heated __________ critical point. Between the first & second Between the second & third Above the lowest Above the highest Between the first & second Between the second & third Above the lowest Above the highest ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following mechanical properties of a material is most structure insensitive? Modulus of elasticity (young Percentage reduction of area Toughness Tensile strength Modulus of elasticity (young Percentage reduction of area Toughness Tensile strength ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The range of Mho's scale of hardness is from 1 to 10 0 to 10 1 to 8 1 to 15 1 to 10 0 to 10 1 to 8 1 to 15 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is a donor impurity for semi-conductors. None of these Gallium Boron Antimony None of these Gallium Boron Antimony ANSWER DOWNLOAD EXAMIANS APP
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