Materials and Construction Silicon percentage in iron castings to have maximum hardness should be about 2.5 0.3 0.5 0.8 2.5 0.3 0.5 0.8 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Spark plugs, ignition tubes and electrodes are made of nickel __________ alloys. Beryllium Manganese Copper Iron Beryllium Manganese Copper Iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High resistance electrical heating elements/wire are not made of Nichrome Nimonic alloys Kanthal wire Marageing steel Nichrome Nimonic alloys Kanthal wire Marageing steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following alloying elements is present in maximum percentage in high speed steel. Tungsten Molybdenum Chromium Vanadium Tungsten Molybdenum Chromium Vanadium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction H₂SO₄ (< 50% concentration) is corrosive to Rubber (butyl and hard), silicone rubber & teflon Glass, graphite, porcelain & stoneware Copper, cast iron & high silicon iron (14% Si) Aluminium, mild steel, stainless steel, concrete & tin Rubber (butyl and hard), silicone rubber & teflon Glass, graphite, porcelain & stoneware Copper, cast iron & high silicon iron (14% Si) Aluminium, mild steel, stainless steel, concrete & tin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The formation of oxide film on a metal due to atmospheric exposure reduces its Toughness Stiffness All of these Creep limit Toughness Stiffness All of these Creep limit ANSWER DOWNLOAD EXAMIANS APP
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