Materials and Construction Work hardening of a material Does not affect its ductility Increases its ductility Decreases its tensile strength Decreases its ductility Does not affect its ductility Increases its ductility Decreases its tensile strength Decreases its ductility ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Nitriding of steel is done (in electric furnace) at __________ °C. 910 510 1720 2210 910 510 1720 2210 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon percentage in medium carbon steel is around 0.8 to 1.4 0.35 to 0.5 1 to 1. 5 0.1 to 0.35 0.8 to 1.4 0.35 to 0.5 1 to 1. 5 0.1 to 0.35 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Stainless steel is not corroded by Hydrochloric acid (10%) Nitric acid (10%) Saturated brine Sulphuric acid (10%) Hydrochloric acid (10%) Nitric acid (10%) Saturated brine Sulphuric acid (10%) 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 Low thermal conductivity High corrosion resistance High co-efficient of thermal expansion All of these Low thermal conductivity High corrosion resistance High co-efficient of thermal expansion ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Silicon percentage in iron castings to have maximum hardness should be about 0.5 0.8 2.5 0.3 0.5 0.8 2.5 0.3 ANSWER DOWNLOAD EXAMIANS APP
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