Materials and Construction Nitriding of steel is done (in electric furnace) at __________ °C. 510 2210 910 1720 510 2210 910 1720 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead pipes are not safe for carraying drinking water, because water, containing dissolved oxygen attacks lead thereby forming poisonous Pb(OH)₂. Lead pipes are readily corroded by None of these Acetic acid Dilute HC₁ v None of these Acetic acid Dilute HC₁ v ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Addition of __________ in steel can help in increasing the depth of hardness. Nickel Chromium Vanadium Tungsten Nickel Chromium Vanadium Tungsten ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Pure nickel is Not resistant to oxidation at high temperature Ferromagnetic at room temperature Having h.c.p. crystal lattice Ferromagnetic above its curie point (i.e., 415°C) Not resistant to oxidation at high temperature Ferromagnetic at room temperature Having h.c.p. crystal lattice Ferromagnetic above its curie point (i.e., 415°C) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following stainless steels is non-magnetic? Martensitic None of these Ferritic Austenitic Martensitic None of these Ferritic Austenitic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Acid proof stoneware All of these Is broken by small temperature changes Has very low strength Cannot be heated All of these Is broken by small temperature changes Has very low strength Cannot be heated ANSWER DOWNLOAD EXAMIANS APP
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