Materials and Construction Which of the following alloy steels has the energy saving properties making it suitable for use in electrical machines? Silicon steel Chromium steel Molybdenum steel None of these Silicon steel Chromium steel Molybdenum steel None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Neutraliser tank used for reacting nitric acid with ammonia for the production of ammonium nitrate is made of High silicon (14%) iron Copper Aluminium Stainles steel High silicon (14%) iron Copper Aluminium Stainles steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Kel-F is a material, which is Having excellent chemical & high temperature resistance (upto 200°C) Having elastomeric properties Chemically known as polychlorotrifluor-oethylene (PTFE) All of these Having excellent chemical & high temperature resistance (upto 200°C) Having elastomeric properties Chemically known as polychlorotrifluor-oethylene (PTFE) All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Material of construction of pipe generally used for conveying water in India is Wrought iron Lead lined steel Cast iron Stainless steel Wrought iron Lead lined steel Cast iron Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the most widely used insulating material for steam carray-ing pipelines? Ceramic fibre blanket Vermiculite Glass wool and 85% magnesia Slag wool Ceramic fibre blanket Vermiculite Glass wool and 85% magnesia Slag wool ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction H₂SO₄ (< 50% concentration) is corrosive to 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 Copper, cast iron & high silicon iron (14% Si) Rubber (butyl and hard), silicone rubber & teflon ANSWER DOWNLOAD EXAMIANS APP
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