Materials and Construction Which of the following metals in not used for coating of the base metal to guard it against corrosion? Aluminium Magnesium Cadmium Lead Aluminium Magnesium Cadmium Lead 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. 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 Stainless steel Reinforced concrete lined with lead High silicon iron (14% Si) Wood Stainless steel 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. 0.35 0.02 0.2 0.5 0.35 0.02 0.2 0.5 ANSWER DOWNLOAD EXAMIANS APP