Materials and Construction Which of the following metals in not used for coating of the base metal to guard it against corrosion? Aluminium Lead Magnesium Cadmium Aluminium Lead Magnesium Cadmium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is a donor impurity for semi-conductors. Boron Antimony None of these Gallium Boron Antimony None of these Gallium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hydrochloric acid is stored in a __________ steel vessel. Stainless Rubber lined Lead lined Glass lined Stainless Rubber lined Lead lined Glass lined ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Copper is dissolved from its ore by H₂SO₄ in a percolation tank made of Stainless steel High silicon iron (14% Si) Reinforced concrete lined with lead Wood Stainless steel High silicon iron (14% Si) Reinforced concrete lined with lead Wood ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Steel will respond to hardening by heat treatment processes, only when the minimum carbon content in it is __________ percent. 0.2 0.02 0.35 0.5 0.2 0.02 0.35 0.5 ANSWER DOWNLOAD EXAMIANS APP
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