Materials and Construction The main purpose of galvanising iron sheets is to Prevent the action of water Harden the surface Prevent the action of oxygen Increase its glossiness and lustre Prevent the action of water Harden the surface Prevent the action of oxygen Increase its glossiness and lustre ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following metals in not used for coating of the base metal to guard it against corrosion? Aluminium Lead Cadmium Magnesium Aluminium Lead Cadmium Magnesium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of high phosphorous in cast iron increases its Melting point Shrinkage Tensile strength Fluidity Melting point Shrinkage Tensile strength Fluidity ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Most suitable material of construction for the storage of concentrated nitric acid is Cast iron Monel Aluminium or chromium alloys (Cr > 18% for cold acid) Karbate Cast iron Monel Aluminium or chromium alloys (Cr > 18% for cold acid) Karbate ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The material used in the filament of electric bulbs is Constantan German silver Tungsten Nichrome Constantan German silver Tungsten Nichrome ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The purpose of nitriding the steel is to Improve its reliability Harden its surface Soften its surface None of these Improve its reliability Harden its surface Soften its surface None of these ANSWER DOWNLOAD EXAMIANS APP
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