Materials and Construction Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with Rubber Karbate Lead or acid-proof bricks Acidic refractory Rubber Karbate Lead or acid-proof bricks Acidic refractory ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast iron is All of these Having compressive strength more than its tensile strength Manufactured in cupola and is brittle Used for making shock resisting parts All of these Having compressive strength more than its tensile strength Manufactured in cupola and is brittle Used for making shock resisting parts ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which one is remelted and poured into moulds to get cast iron? Mild steel Wrought iron Pig iron Low carbon steel Mild steel Wrought iron Pig iron Low carbon steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The hardest material just prior to diamond in Mhos scale is Topax Calcite Corrundum Carborundum Topax Calcite Corrundum Carborundum ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Metalloid is Highly electronegative in nature An element which exhibits the properties of both metal & non-metal An alloy All of these Highly electronegative in nature An element which exhibits the properties of both metal & non-metal An alloy All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The temperature at which new grains are formed in the metal is called the __________ temperature. Lower critical Upper critical Recrystallisation Eutectic Lower critical Upper critical Recrystallisation Eutectic ANSWER DOWNLOAD EXAMIANS APP
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