Materials and Construction Metal at the top of the electromotive series is Most noble Most stable Most active Least active Most noble Most stable Most active Least active ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction H₂SO₄ (< 50% concentration) is corrosive to Glass, graphite, porcelain & stoneware Rubber (butyl and hard), silicone rubber & teflon Copper, cast iron & high silicon iron (14% Si) Aluminium, mild steel, stainless steel, concrete & tin Glass, graphite, porcelain & stoneware Rubber (butyl and hard), silicone rubber & teflon Copper, cast iron & high silicon iron (14% Si) Aluminium, mild steel, stainless steel, concrete & tin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction An alloy of iron containing 4% carbon is called None of these Mild steel High carbon steel Wrought iron None of these Mild steel High carbon steel Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Evaporators used in caustic soda recovery and production plant are made of Monel metal Gun metal Wood metal Babbit metal Monel metal Gun metal Wood metal Babbit metal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which one occupies the lowermost position in the electromotive series of metals? Aluminium Alkali metals (K, Na, Li) Zinc Noble metals (Ag, Pt, Au) Aluminium Alkali metals (K, Na, Li) Zinc Noble metals (Ag, Pt, Au) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Specify the material of construction suitable for handling concentrated HNO₃ at 100°C. High silicon iron, Kel-F and teflon Tin and wood Stainless steel Silicone rubber High silicon iron, Kel-F and teflon Tin and wood Stainless steel Silicone rubber ANSWER DOWNLOAD EXAMIANS APP
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