Materials and Construction H₂SO₄ (< 50% concentration) is corrosive to 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 Aluminium, mild steel, stainless steel, concrete & tin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Material of construction of pipe generally used for conveying water in India is Cast iron Lead lined steel Wrought iron Stainless steel Cast iron Lead lined steel Wrought iron Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Constantan is an alloy of Pt (95%) & Rh (10%) Cu (55%) & Sn (45%) Fe (80%) & Ni (20%) Cu (55%) & Ni (45%) Pt (95%) & Rh (10%) Cu (55%) & Sn (45%) Fe (80%) & Ni (20%) Cu (55%) & Ni (45%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The crystal structure of most of the common metals is None of these Orthorhombic Hexagonal Cubic None of these Orthorhombic Hexagonal Cubic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Molybdenum steels containing 0.15 to 0.40% molybdenum Are used for automobile parts like gears, axle, shaft, bearings etc Are prone to temper brittleness Have very poor fatigue resistance Do not contain nickel or chromium or both Are used for automobile parts like gears, axle, shaft, bearings etc Are prone to temper brittleness Have very poor fatigue resistance Do not contain nickel or chromium or both ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following pairs of elements may form an alloy? Iron & carbon Iron & mercury Platinum & mercury None of these Iron & carbon Iron & mercury Platinum & mercury None of these ANSWER DOWNLOAD EXAMIANS APP
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