Materials and Construction Most suitable material of construction for the storage of concentrated nitric acid is Cast iron Aluminium or chromium alloys (Cr > 18% for cold acid) Monel Karbate Cast iron Aluminium or chromium alloys (Cr > 18% for cold acid) Monel Karbate ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The process of coating steel sheets by zinc to improve its corrosion resistance is called Calorising Galvanising Zincification Tempering Calorising Galvanising Zincification Tempering ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead lined equipments & vessels are suitable for handling Sulphuric acid upto 60°C Hydrochloric acid (10%) Nitric acid All of these Sulphuric acid upto 60°C Hydrochloric acid (10%) Nitric acid All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which one is remelted and poured into moulds to get cast iron? Low carbon steel Pig iron Mild steel Wrought iron Low carbon steel Pig iron Mild steel Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of nitrogen in steel Increases its strength Makes it brittle Is desirable Increases its hardness Increases its strength Makes it brittle Is desirable Increases its hardness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is a donor impurity for semi-conductors. Gallium Boron None of these Antimony Gallium Boron None of these Antimony ANSWER DOWNLOAD EXAMIANS APP
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