Materials and Construction H₂SO₄ (< 50% concentration) is corrosive to Copper, cast iron & high silicon iron (14% Si) Rubber (butyl and hard), silicone rubber & teflon Glass, graphite, porcelain & stoneware Aluminium, mild steel, stainless steel, concrete & tin Copper, cast iron & high silicon iron (14% Si) Rubber (butyl and hard), silicone rubber & teflon Glass, graphite, porcelain & stoneware Aluminium, mild steel, stainless steel, concrete & tin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A chemical change takes place when iron None of these Rusts Melts Is heated None of these Rusts Melts Is heated ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Acetaldehyde is shipped in __________ drums. Steel Either B & C Aluminium Cast iron Steel Either B & C Aluminium Cast iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Acid proof stoneware Has very low strength Cannot be heated All of these Is broken by small temperature changes Has very low strength Cannot be heated All of these Is broken by small temperature changes ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Thermosetting resins are those polymers, which Allow slip to occur between molecules None of these Do not take on a permanent set Do not increase in plasticity with rise in temperature Allow slip to occur between molecules None of these Do not take on a permanent set Do not increase in plasticity with rise in temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The chlorinator used in the manufacture of DDT is made of Bakelite Glass Glass lined steel Teflon Bakelite Glass Glass lined steel Teflon ANSWER DOWNLOAD EXAMIANS APP
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