Materials and Construction The damage/deterioration of metals by the __________ action of fluids is called 'erosion'. Corrosive Both A & B Neither A nor B Abrasive Corrosive Both A & B Neither A nor B Abrasive 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 All of these High co-efficient of thermal expansion High corrosion resistance Low thermal conductivity All of these High co-efficient of thermal expansion High corrosion resistance Low thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Corrosion resisting properties of cast iron are significantly improved by the addition of 12 - 15% of All of these Tungsten Vanadium Silicon All of these Tungsten Vanadium Silicon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Atmospheric corrosion of metals result from their Fast hydration Fast oxidation Slow oxidation Slow dehydration Fast hydration Fast oxidation Slow oxidation Slow dehydration ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Nickel as a material of construction Has a body centred cubic (bcc) crystal lattice structure Is used as an alloying element for both ferrous & non-ferrous alloys Is paramagnetic below 415° C (its Curie temperature) Dimagnetic Has a body centred cubic (bcc) crystal lattice structure Is used as an alloying element for both ferrous & non-ferrous alloys Is paramagnetic below 415° C (its Curie temperature) Dimagnetic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon is present in steel wholly in the Free state as graphite Neither A nor B Combined form Both A & B Free state as graphite Neither A nor B Combined form Both A & B ANSWER DOWNLOAD EXAMIANS APP
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