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