Materials and Construction In order to be called steel, an alloy should have iron percentage greater than 70 90 80 50 70 90 80 50 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Approximate value of the modulus of elasticity for steel is about __________ x l0⁶kg/cm². 2 40 75 0.5 2 40 75 0.5 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The damage/deterioration of metals by the __________ action of fluids is called 'erosion'. Neither A nor B Abrasive Both A & B Corrosive Neither A nor B Abrasive Both A & B Corrosive ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Corrosion involves exchange of electrons in __________ corrosion. Chemical Neither A nor B Both A & B Electrochemical Chemical Neither A nor B Both A & B Electrochemical ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The maximum percentage of chromium that can be added to steel is about 24 18 30 12 24 18 30 12 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Iron rust is Powdered iron Hydrated ferric oxide Ferric sulphide Ferrous oxide Powdered iron Hydrated ferric oxide Ferric sulphide Ferrous oxide ANSWER DOWNLOAD EXAMIANS APP
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