Materials and Construction Tin coating is not done by Hot dipping Electro deposition Vaporising Spraying Hot dipping Electro deposition Vaporising Spraying ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is a donor impurity for semi-conductors. Antimony Gallium None of these Boron Antimony Gallium None of these Boron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Dilute sulphuric acid is transported in __________ pipes. Lead Copper Special alloys Mild steel Lead Copper Special alloys Mild steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Copper is dissolved from its ore by H₂SO₄ in a percolation tank made of Stainless steel Wood High silicon iron (14% Si) Reinforced concrete lined with lead Stainless steel Wood High silicon iron (14% Si) Reinforced concrete lined with lead ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Low carbon steels are those in which carbon percentage is around 1.5 to 2 0.4 to 0.7 0.1 to 0.35 0.8 to 1.5 1.5 to 2 0.4 to 0.7 0.1 to 0.35 0.8 to 1.5 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Generally __________ are subjected to galvanising (i.e., zinc coating). Non-metals Low carbon steels Stainless steel Non-ferrous metals Non-metals Low carbon steels Stainless steel Non-ferrous metals ANSWER DOWNLOAD EXAMIANS APP
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