Materials and Construction The heat treatment process to which castings and the steel balls produced by cold heading are subjected is Annealing Tempering None of these Normalising Annealing Tempering None of these Normalising ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tin coating is not done by Hot dipping Vaporising Spraying Electro deposition Hot dipping Vaporising Spraying Electro deposition ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Concentrated HCl at 30°C can be stored in a vessel made of Cast iron and aluminium Stainless steel and high silicon cast iron PTFE and porcelain None of these Cast iron and aluminium Stainless steel and high silicon cast iron PTFE and porcelain None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is not an alloy of nickel and chromium? Nimonic alloys Inconel Hastealloy Duralumin Nimonic alloys Inconel Hastealloy Duralumin 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 Concentrated H₂SO₄ Acetic acid Dilute HCI None of these Concentrated H₂SO₄ Acetic acid Dilute HCI ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The presence of impurities in iron Increases its melting point Decreases its melting point Makes it malleable Does not affect its melting point Increases its melting point Decreases its melting point Makes it malleable Does not affect its melting point ANSWER DOWNLOAD EXAMIANS APP
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