Materials and Construction Which of the following is not a non-ferrous alloy? Magnalium Meehanite Gun metal Muntz metal Magnalium Meehanite Gun metal Muntz metal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Alinco, which is a aluminium-cobalt-nickel steel, is used for making Chemical equipments Surgical instruments Powerful magnets Boiler tubes Chemical equipments Surgical instruments Powerful magnets Boiler tubes ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Polythene (low or high density) containers are not corroded by Sulphuric acid (10%) at room temperature Sulphur trioxide at 60°C Nitric acid (95%) at room temperature Any of these Sulphuric acid (10%) at room temperature Sulphur trioxide at 60°C Nitric acid (95%) at room temperature Any of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction As the impurities are oxidised, the melting point of iron Increases May increase or decrease ; unpredictable Remains unchanged Decreases Increases May increase or decrease ; unpredictable Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction How many molecules per unit cell are there in a face centred cubic lettice? 4 6 8 2 4 6 8 2 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction H₂SO₄ (< 50% concentration) is corrosive to Glass, graphite, porcelain & stoneware Aluminium, mild steel, stainless steel, concrete & tin Rubber (butyl and hard), silicone rubber & teflon Copper, cast iron & high silicon iron (14% Si) Glass, graphite, porcelain & stoneware Aluminium, mild steel, stainless steel, concrete & tin Rubber (butyl and hard), silicone rubber & teflon Copper, cast iron & high silicon iron (14% Si) ANSWER DOWNLOAD EXAMIANS APP
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