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