Materials and Construction H₂SO₄ (< 50% concentration) is corrosive to 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 Copper, cast iron & high silicon iron (14% Si) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Most suitable material of construction for the storage of concentrated nitric acid is Karbate Aluminium or chromium alloys (Cr > 18% for cold acid) Cast iron Monel Karbate Aluminium or chromium alloys (Cr > 18% for cold acid) Cast iron Monel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In cold working of metal as compared to its hot working Cracks and blow holes are eliminated Appreciable strain hardening is produced Yield stress, hardness and fatigue strength is not at all affected Ductility and impact strength improves Cracks and blow holes are eliminated Appreciable strain hardening is produced Yield stress, hardness and fatigue strength is not at all affected Ductility and impact strength improves ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Iron alloyed with carbon upto 2% is called None of these Pig iron High carbon steel Wrought iron None of these Pig iron High carbon steel Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the most elastic material? Plastic Steel Glass Rubber Plastic Steel Glass Rubber ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Acetaldehyde is shipped in __________ drums. Aluminium Steel Cast iron Either B & C Aluminium Steel Cast iron Either B & C ANSWER DOWNLOAD EXAMIANS APP
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