Materials and Construction Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with Lead or acid-proof bricks Rubber Karbate Acidic refractory Lead or acid-proof bricks Rubber Karbate Acidic refractory ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Gunmetal and bronze are not corroded by the action of Synthetic detergent solution Wet chlorine Hydrochloric acid (10%) Nitric acid (< 25%) Synthetic detergent solution Wet chlorine Hydrochloric acid (10%) Nitric acid (< 25%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Alinco, which is a aluminium-cobalt-nickel steel, is used for making Chemical equipments Surgical instruments Boiler tubes Powerful magnets Chemical equipments Surgical instruments Boiler tubes Powerful magnets ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Chilled iron castings are Soft on surface Highly wear resistant None of these Easily machinable Soft on surface Highly wear resistant None of these Easily machinable ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Glass is corroded by None of these Fluorine (dry or wet) Sulphuric acid Phosphoric acid None of these Fluorine (dry or wet) Sulphuric acid Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Acid proof stoneware Cannot be heated Is broken by small temperature changes All of these Has very low strength Cannot be heated Is broken by small temperature changes All of these Has very low strength ANSWER DOWNLOAD EXAMIANS APP
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