Materials and Construction High speed cutting tool steels contain about __________ percent of tungsten. 18-20 30-35 50-55 43990 18-20 30-35 50-55 43990 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction H₂SO₄ (< 50% concentration) is corrosive to Aluminium, mild steel, stainless steel, concrete & tin Copper, cast iron & high silicon iron (14% Si) Rubber (butyl and hard), silicone rubber & teflon Glass, graphite, porcelain & stoneware Aluminium, mild steel, stainless steel, concrete & tin Copper, cast iron & high silicon iron (14% Si) Rubber (butyl and hard), silicone rubber & teflon Glass, graphite, porcelain & stoneware ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hardening of steel is not possible unless it is heated __________ critical point. Above the lowest Between the first & second Between the second & third Above the highest Above the lowest Between the first & second Between the second & third Above the highest ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Plastics are All of these Used in very high temperature applications Non-biodegradable Not suitable for drainage pipe manufacture All of these Used in very high temperature applications Non-biodegradable Not suitable for drainage pipe manufacture ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction SO₃ is absorbed using H₂SO₄ in a Packed steel tower lined with acid proof bricks None of these Cast iron packed tower Stainless steel plate tower Packed steel tower lined with acid proof bricks None of these Cast iron packed tower Stainless steel plate tower ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following material of construction may be recommended by a chemical engineer for handling a gaseous chlorine (dry or wet) stream in a fluid flow system? Copper, nickel and monel High silicon iron, silicon rubber, Kel-F and teflon Cast iron, tin and aluminium Mild steel and stainless steel Copper, nickel and monel High silicon iron, silicon rubber, Kel-F and teflon Cast iron, tin and aluminium Mild steel and stainless steel ANSWER DOWNLOAD EXAMIANS APP
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