Materials and Construction 18/8 steel is a/an __________ stainless steel. None of these Martensitic Austenitic Ferritic None of these Martensitic Austenitic Ferritic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead is Not resistant to corrosion Used as a cathodic material Not used as pigment (in its compound forms) for paints Used as a shock absorber (in mattress form) between the foundation an steel framework of skyscrapper buildings Not resistant to corrosion Used as a cathodic material Not used as pigment (in its compound forms) for paints Used as a shock absorber (in mattress form) between the foundation an steel framework of skyscrapper buildings ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead pipes are not safe for carraying drinking water, because water, containing dissolved oxygen attacks lead thereby forming poisonous Pb(OH)₂. Lead pipes are readily corroded by v None of these Dilute HC₁ Acetic acid v None of these Dilute HC₁ Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Galvanising (i.e., zinc coating) of steel sheets is done to Protect the base metal by cathodic protection Prevent its rusting by contact with corrosive atmosphere Neither A nor B Both A & B Protect the base metal by cathodic protection Prevent its rusting by contact with corrosive atmosphere Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Electronic structure of a material is generally studied by Electron diffraction Spectroscopic techniques X-ray Metallurgical microscope Electron diffraction Spectroscopic techniques X-ray Metallurgical microscope ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Brass tubes are used in the manufacture of tubes of evaporators used in sugar and salt industries, mainly because of its High co-efficient of thermal expansion All of these High corrosion resistance Low thermal conductivity High co-efficient of thermal expansion All of these High corrosion resistance Low thermal conductivity ANSWER DOWNLOAD EXAMIANS APP