Materials and Construction Which of the following heat treatment processes is used for softening the hardened material? Annealing Normalising None of these Tempering Annealing Normalising None of these Tempering ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of nickel in steel improves its Corrosion resistance All of these Wear resistance Cutting ability Corrosion resistance All of these Wear resistance Cutting ability ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Nickel as a material of construction Is paramagnetic below 415° C (its Curie temperature) Dimagnetic Has a body centred cubic (bcc) crystal lattice structure Is used as an alloying element for both ferrous & non-ferrous alloys Is paramagnetic below 415° C (its Curie temperature) Dimagnetic Has a body centred cubic (bcc) crystal lattice structure Is used as an alloying element for both ferrous & non-ferrous alloys ANSWER DOWNLOAD EXAMIANS APP
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. None of these Dilute HCI Acetic acid Concentrated H₂SO₄ None of these Dilute HCI Acetic acid Concentrated H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following alloy steels has the energy saving properties making it suitable for use in electrical machines? Silicon steel None of these Chromium steel Molybdenum steel Silicon steel None of these Chromium steel Molybdenum steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is a light alloy? German silver Dow metal Babbit metal Monel metal German silver Dow metal Babbit metal Monel metal ANSWER DOWNLOAD EXAMIANS APP
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