Materials and Construction Copper is dissolved from its ore by H₂SO₄ in a percolation tank made of Stainless steel Reinforced concrete lined with lead High silicon iron (14% Si) Wood Stainless steel Reinforced concrete lined with lead High silicon iron (14% Si) Wood ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Silicon percentage in iron castings to have maximum hardness should be about 0.8 0.5 2.5 0.3 0.8 0.5 2.5 0.3 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Bog iron used for the adsorption of H?S from coke oven gas is None of these Iron impregnated with resin (usually bakelite) An intimate mixture of saw dust and iron dust (i.e. moist ferric hydroxide) Carbon free iron None of these Iron impregnated with resin (usually bakelite) An intimate mixture of saw dust and iron dust (i.e. moist ferric hydroxide) Carbon free iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Balls in a ball mill are usually made of Stainless steel Bronze Cast iron Steel Stainless steel Bronze Cast iron Steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Water gas generator is made of Cast iron Stainless steel-lead lined High carbon steel-procelain lined Carbon steel-brick lined Cast iron Stainless steel-lead lined High carbon steel-procelain lined Carbon steel-brick lined ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Pick the odd man out of the following. Pack carburising Cyaniding Nitriding Calorising Pack carburising Cyaniding Nitriding Calorising ANSWER DOWNLOAD EXAMIANS APP
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