Materials and Construction Which one occupies the lowermost position in the electromotive series of metals? Aluminium Zinc Alkali metals (K, Na, Li) Noble metals (Ag, Pt, Au) Aluminium Zinc Alkali metals (K, Na, Li) Noble metals (Ag, Pt, Au) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Pure nickel is Having h.c.p. crystal lattice Not resistant to oxidation at high temperature Ferromagnetic above its curie point (i.e., 415°C) Ferromagnetic at room temperature Having h.c.p. crystal lattice Not resistant to oxidation at high temperature Ferromagnetic above its curie point (i.e., 415°C) Ferromagnetic at room temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction H₂SO₄ (< 50% concentration) is corrosive to Rubber (butyl and hard), silicone rubber & teflon Copper, cast iron & high silicon iron (14% Si) Glass, graphite, porcelain & stoneware Aluminium, mild steel, stainless steel, concrete & tin Rubber (butyl and hard), silicone rubber & teflon Copper, cast iron & high silicon iron (14% Si) Glass, graphite, porcelain & stoneware Aluminium, mild steel, stainless steel, concrete & tin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the lightest of engineering metals? Aluminium Titanium Tin Magnesium Aluminium Titanium Tin Magnesium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The chlorinator used in the manufacture of DDT is made of Bakelite Glass Glass lined steel Teflon Bakelite Glass Glass lined steel Teflon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Material of construction of pipe generally used for conveying water in India is Stainless steel Cast iron Wrought iron Lead lined steel Stainless steel Cast iron Wrought iron Lead lined steel ANSWER DOWNLOAD EXAMIANS APP
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