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