Materials and Construction Gunmetal and bronze are not corroded by the action of Nitric acid (< 25%) Wet chlorine Synthetic detergent solution Hydrochloric acid (10%) Nitric acid (< 25%) Wet chlorine Synthetic detergent solution Hydrochloric acid (10%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The melleability of a material is the property by virtue of which it can be rolled or hammered into thin sheets. Which of the following materials has the miximum malleability? Aluminium Wrought iron Copper Lead Aluminium Wrought iron Copper Lead ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Metalloid is All of these 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 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Work hardening of a material Decreases its tensile strength Decreases its ductility Increases its ductility Does not affect its ductility Decreases its tensile strength Decreases its ductility Increases its ductility Does not affect its ductility ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Aqueous nitric acid is stored in __________ vessel. Plain carbon steel Cast iron Stainless steel Thermosetting plastic material Plain carbon steel Cast iron Stainless steel Thermosetting plastic material ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Nickel made/clad equipments are suitable for handling Fruit juices, milk & its products and caustic soda solution Ammonia (both aqueous & anhydrous) Sulphuric acid (conc) Nitric acid & hydrochloric acid (conc) Fruit juices, milk & its products and caustic soda solution Ammonia (both aqueous & anhydrous) Sulphuric acid (conc) Nitric acid & hydrochloric acid (conc) ANSWER DOWNLOAD EXAMIANS APP
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