Materials and Construction Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with Acidic refractory Karbate Lead or acid-proof bricks Rubber Acidic refractory Karbate Lead or acid-proof bricks Rubber ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction All materials obey Hooke's law within elastic limit. When elastic limit is reached, the tensile strain Decreases in proportion to stress Increases in proportion to stress Decreases very quickly Increases very quickly Decreases in proportion to stress Increases in proportion to stress Decreases very quickly Increases very quickly ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cementite is All of these Characterised by an orthorhombic crystal structure Fe₃C chemically A compound of carbon and iron All of these Characterised by an orthorhombic crystal structure Fe₃C chemically A compound of carbon and iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ does not contain tin as an alloying material. Solder Brass Babbit metal Pewter Solder Brass Babbit metal Pewter ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Gunmetal and bronze are not corroded by the action of Wet chlorine Hydrochloric acid (10%) Nitric acid (< 25%) Synthetic detergent solution Wet chlorine Hydrochloric acid (10%) Nitric acid (< 25%) Synthetic detergent solution ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Age hardening is concerned with Brass Duralumin Silver Copper Brass Duralumin Silver Copper ANSWER DOWNLOAD EXAMIANS APP
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