Materials and Construction Addition of tungsten to steel imparts Corrosion resistance Cutting hardness Ductility Magnetic properties Corrosion resistance Cutting hardness Ductility Magnetic properties ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Polythene (low or high density) containers are not corroded by Sulphur trioxide at 60°C Sulphuric acid (10%) at room temperature Nitric acid (95%) at room temperature Any of these Sulphur trioxide at 60°C Sulphuric acid (10%) at room temperature Nitric acid (95%) at room temperature Any of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Corrosion involves exchange of electrons in __________ corrosion. Neither A nor B Both A & B Electrochemical Chemical Neither A nor B Both A & B Electrochemical Chemical ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Most common stainless steel type 316, which is highly resistant to corrosion contains 20-22% Cr, and 8-10% Ni None of these 16-13% Cr 10-14% Ni and 2-3% Mo 2-4% Cr, 22% NI and 2-4% Mo 20-22% Cr, and 8-10% Ni None of these 16-13% Cr 10-14% Ni and 2-3% Mo 2-4% Cr, 22% NI and 2-4% Mo ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Austenitic manganese steel used for making jaws of crushing machines contains about __________ percent manganese. 1.5-2 44021 44179 3.5-4.5 1.5-2 44021 44179 3.5-4.5 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hardened steel is softened by Carburising Tempering Normalising Annealing Carburising Tempering Normalising Annealing ANSWER DOWNLOAD EXAMIANS APP
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