Materials and Construction Caustic soda is produced in a mercury cell having anode and cathode made respectively of moving mercury and Moving mercury and graphite Graphite and moving mercury Moving mercury and crimped steel wire Moving mercury and carbon Moving mercury and graphite Graphite and moving mercury Moving mercury and crimped steel wire Moving mercury and carbon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The presence of impurities in iron Increases its melting point Does not affect its melting point Decreases its melting point Makes it malleable Increases its melting point Does not affect its melting point Decreases its melting point Makes it malleable ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction As the impurities are oxidised, the melting point of iron Remains unchanged Increases Decreases May increase or decrease ; unpredictable Remains unchanged Increases Decreases May increase or decrease ; unpredictable ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In SO₃ absorber (Contact Process), packing material used is of Karbate Mild steel Chemical stoneware Cast iron Karbate Mild steel Chemical stoneware Cast iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is a non-magnetic material? Zinc None of these Cobalt Nickel Zinc None of these Cobalt Nickel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The fermentor used for the production of ethyl alcohol from molasses is made of Copper bearing steel Procelain Wood Concrete Copper bearing steel Procelain Wood Concrete ANSWER DOWNLOAD EXAMIANS APP
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