Materials and Construction Which of the following metals in not used for coating of the base metal to guard it against corrosion? Magnesium Cadmium Lead Aluminium Magnesium Cadmium Lead Aluminium 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. Glass lined Lead lined Rubber lined Stainless Glass lined Lead lined Rubber lined Stainless ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Copper is dissolved from its ore by H₂SO₄ in a percolation tank made of Wood 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 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