Materials and Construction The impure iron (pig iron) that is tapped out from blast furnace contains about __________ percent carbon. 2 8 4 0.2 2 8 4 0.2 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of even 0.005% of __________ in copper makes it highly brittle, rendering it useless for wire-drawing. Arsenic Bismuth Oxygen Antimony Arsenic Bismuth Oxygen Antimony ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Aluminium storage vessel can be used to store None of these Aqua regia Ferrous sulphate Hydrochloric acid (10%) None of these Aqua regia Ferrous sulphate Hydrochloric acid (10%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Silicone rubber is not resistant to the corrosive action of Ether Sulphuric acid (95%) Sulphuric acid (10%) Both B and C Ether Sulphuric acid (95%) Sulphuric acid (10%) Both B and C ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following heat treatment processes is used for softening the hardened material? Tempering Normalising Annealing None of these Tempering Normalising Annealing None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Dilute sulphuric acid is transported in __________ pipes. Lead Copper Mild steel Special alloys Lead Copper Mild steel Special alloys ANSWER DOWNLOAD EXAMIANS APP
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