Materials and Construction Hardest material so far found is Carborundum Pumice stone Graphite Diamond Carborundum Pumice stone Graphite Diamond ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction H₂SO₄ (< 50% concentration) is corrosive to 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) Glass, graphite, porcelain & stoneware ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hastelloy C is a good material of construction in chemical process industry, since it is Light and resists attack by acids Highly corrosion resistant and is readily fabricated Relatively inexpensive although it can be fabricated with some difficulty Corrosion resistant to most alkalis, particularly because of its coper content Light and resists attack by acids Highly corrosion resistant and is readily fabricated Relatively inexpensive although it can be fabricated with some difficulty Corrosion resistant to most alkalis, particularly because of its coper content ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead Can not be work hardened Is the lightest metal in common use Can not be scratched by finger nails Is the hardest metal in common use Can not be work hardened Is the lightest metal in common use Can not be scratched by finger nails Is the hardest metal in common use ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Very high sulphur in pig iron makes Its hard and machinable All of these Its brittle and malleable Its casting unsound Its hard and machinable All of these Its brittle and malleable Its casting unsound ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Thermosetting resins are those polymers, which 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 Allow slip to occur between molecules ANSWER DOWNLOAD EXAMIANS APP