Materials and Construction H₂SO₄ (< 50% concentration) is corrosive to Glass, graphite, porcelain & stoneware Rubber (butyl and hard), silicone rubber & teflon Copper, cast iron & high silicon iron (14% Si) Aluminium, mild steel, stainless steel, concrete & tin Glass, graphite, porcelain & stoneware Rubber (butyl and hard), silicone rubber & teflon Copper, cast iron & high silicon iron (14% Si) Aluminium, mild steel, stainless steel, concrete & tin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Interchain forces are the weakest in case of Both rubber & elastomers Fibres Elastomers Plastics Both rubber & elastomers Fibres Elastomers Plastics ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is not used as the ceramic material in 'cermets'? Nitrides Silicides Carbides Oxides Nitrides Silicides Carbides Oxides ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction For spinning viscose rayon, the extrusion spinnerettes are made of Platinum or gold alloys Nickel High carbon steel Aluminium Platinum or gold alloys Nickel High carbon steel Aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Concentrated HCl at 30°C can be stored in a vessel made of Cast iron and aluminium PTFE and porcelain None of these Stainless steel and high silicon cast iron Cast iron and aluminium PTFE and porcelain None of these Stainless steel and high silicon cast iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Approximate value of the modulus of elasticity for steel is about __________ x l0⁶kg/cm². 40 0.5 2 75 40 0.5 2 75 ANSWER DOWNLOAD EXAMIANS APP
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