Materials and Construction H₂SO₄ (< 50% concentration) is corrosive to Aluminium, mild steel, stainless steel, concrete & tin Glass, graphite, porcelain & stoneware Copper, cast iron & high silicon iron (14% Si) Rubber (butyl and hard), silicone rubber & teflon Aluminium, mild steel, stainless steel, concrete & tin Glass, graphite, porcelain & stoneware Copper, cast iron & high silicon iron (14% Si) Rubber (butyl and hard), silicone rubber & teflon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following has the poorest wel-dability? Mild steel Low carbon steel High-carbon steel Wrought iron Mild steel Low carbon steel High-carbon steel Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is used for determining the tensile strength of steels. Hydraulic press Universal testing machine Mechanical press None of these Hydraulic press Universal testing machine Mechanical press None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is not a non-ferrous alloy? Magnalium Muntz metal Gun metal Meehanite Magnalium Muntz metal Gun metal Meehanite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Babbit metal (used for making bearings) comprises of Mainly tin (85%) and lead Copper and aluminium Saw dust and iron dust mixture Zinc and aluminium Mainly tin (85%) and lead Copper and aluminium Saw dust and iron dust mixture Zinc and aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hydrocyanic acid is not shipped in Aluminium containers Cast iron vessels Steel cylinders Monel drums Aluminium containers Cast iron vessels Steel cylinders Monel drums ANSWER DOWNLOAD EXAMIANS APP
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