Materials and Construction Which of the following is not used as the ceramic material in 'cermets'? Oxides Carbides Nitrides Silicides Oxides Carbides Nitrides Silicides ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Galvanising (i.e., zinc coating) of steel sheets is done to Protect the base metal by cathodic protection Prevent its rusting by contact with corrosive atmosphere Neither A nor B Both A & B Protect the base metal by cathodic protection Prevent its rusting by contact with corrosive atmosphere Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A metallic alloy in general as compared to their pure metal components is More corrosion resistant Having higher melting point Having lower electrical conductivity Having lower hardness, reactivity and fusibility More corrosion resistant Having higher melting point Having lower electrical conductivity Having lower hardness, reactivity and fusibility ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Brass tubes are used in the manufacture of tubes of evaporators used in sugar and salt industries, mainly because of its Low thermal conductivity High corrosion resistance High co-efficient of thermal expansion All of these Low thermal conductivity High corrosion resistance High co-efficient of thermal expansion All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In SO₃ absorber (Contact Process), packing material used is of Karbate Chemical stoneware Cast iron Mild steel Karbate Chemical stoneware Cast iron Mild steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hardest material so far found is Pumice stone Diamond Graphite Carborundum Pumice stone Diamond Graphite Carborundum ANSWER DOWNLOAD EXAMIANS APP
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