Materials and Construction Hydrochloric acid is __________ corrosive to common metals. Least Highly Mildly Not Least Highly Mildly Not ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction 'Semi steel' is Neither A nor B Stronger than cast iron Both A & B Produced by adding 10-20% steel to the cupola charge Neither A nor B Stronger than cast iron Both A & B Produced by adding 10-20% steel to the cupola charge ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The temperature at which new grains are formed in the metal is called the __________ temperature. Recrystallisation Eutectic Upper critical Lower critical Recrystallisation Eutectic Upper critical Lower critical ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The heat treatment process to which castings and the steel balls produced by cold heading are subjected is None of these Tempering Annealing Normalising None of these Tempering Annealing Normalising ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead pipe is Especially resistant to solutions containing H₂SO₄ All of these Having very low elastic limit resulting in permanent deformation from either mechanical or thermal strain Usually joined by burning (e.g. by melting to adjacent pieces with a torch) Especially resistant to solutions containing H₂SO₄ All of these Having very low elastic limit resulting in permanent deformation from either mechanical or thermal strain Usually joined by burning (e.g. by melting to adjacent pieces with a torch) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cold work tool steel should have High toughness All of these Poor hardenability High wear resistance High toughness All of these Poor hardenability High wear resistance ANSWER DOWNLOAD EXAMIANS APP
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