Materials and Construction The presence of impurities in iron Makes it malleable Increases its melting point Does not affect its melting point Decreases its melting point Makes it malleable Increases its melting point Does not affect its melting point Decreases its melting point ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Work hardening of a material Decreases its tensile strength Increases its ductility Does not affect its ductility Decreases its ductility Decreases its tensile strength Increases its ductility Does not affect its ductility Decreases its ductility ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High speed steel tools retain their hardness upto a temperature of __________ °C. 750 500 1100 900 750 500 1100 900 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Platinum and silver are corroded by Phosphoric acid Sulphuric acid (10%) Caustic soda solution None of these Phosphoric acid Sulphuric acid (10%) Caustic soda solution None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Stainless steel contains Copper Aluminium Chromium and nickel Vanadium Copper Aluminium Chromium and nickel Vanadium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Visco-elastic behaviour of materials which is time dependent is common in Non-crystalline solids Non-crystalline organic polymer Crystalline solid Plastics Non-crystalline solids Non-crystalline organic polymer Crystalline solid Plastics ANSWER DOWNLOAD EXAMIANS APP
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