Materials and Construction Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with Karbate Acidic refractory Lead or acid-proof bricks Rubber Karbate Acidic refractory Lead or acid-proof bricks Rubber ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Evaporators used in caustic soda recovery and production plant are made of Monel metal Wood metal Gun metal Babbit metal Monel metal Wood metal Gun metal Babbit metal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction DDT is shipped in Stainless steel containers Paper bags Either B or C Fibre drums Stainless steel containers Paper bags Either B or C Fibre drums ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Telfon (PTFE) is corroded by Sulphuric acid Hydrochloric acid (95%) None of these Hydrochloric acid (10%) Sulphuric acid Hydrochloric acid (95%) None of these Hydrochloric acid (10%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hastelloy comprises of Lead and tin Molybdenum and nickel Copper and tin Copper and nickel Lead and tin Molybdenum and nickel Copper and tin Copper and nickel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of high amount of silicon in cast iron Increases the contraction of the metal Reduces its fluidity Increases the formation of graphite Suppresses the decomposition of Fe₃ C Increases the contraction of the metal Reduces its fluidity Increases the formation of graphite Suppresses the decomposition of Fe₃ C ANSWER DOWNLOAD EXAMIANS APP
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