Materials and Construction Lead pipes are not safe for carrying drinking water because water containing dissolved oxygen attacks lead thereby forming poisonous Pb (OH)2. Dilute HCI Concentrated H₂SO₄ None of these Acetic acid Dilute HCI Concentrated H₂SO₄ None of these Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Galvanising is not a zinc diffusion process. A zinc diffusion process is termed as None of these Parkerising Sheradising Anodising None of these Parkerising Sheradising Anodising ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In the kraft (sulphate) process for the paper manufacture, the digestor is made of Karbate carbon Wrought iron Stainless steel Cast iron Karbate carbon Wrought iron Stainless steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Addition of __________ to the steel helps in increasing the residual magnetism in steel used for making magnets. Nickel Chromium Cobalt Tungsten Nickel Chromium Cobalt Tungsten ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Acid proof stoneware Has very low strength Is broken by small temperature changes Cannot be heated All of these Has very low strength Is broken by small temperature changes Cannot be heated All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following crystal structures characterises the austenitic stainless steel? None of these Face centred cubic Simple hexagonal Body centred cubic None of these Face centred cubic Simple hexagonal Body centred cubic ANSWER DOWNLOAD EXAMIANS APP
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