Materials and Construction Which of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C? Aluminium, copper, high silicon iron Brass, cast iron, mild steel and tin Silicone rubber, teflon, procelain and wood Nickel, monel, stainless steel and graphite Aluminium, copper, high silicon iron Brass, cast iron, mild steel and tin Silicone rubber, teflon, procelain and wood Nickel, monel, stainless steel and graphite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Molybdenum steels containing 0.15 to 0.40% molybdenum Do not contain nickel or chromium or both Are prone to temper brittleness Have very poor fatigue resistance Are used for automobile parts like gears, axle, shaft, bearings etc Do not contain nickel or chromium or both Are prone to temper brittleness Have very poor fatigue resistance Are used for automobile parts like gears, axle, shaft, bearings etc ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Galvanised iron is Alumina coated iron Protected from rusting Harder None of these Alumina coated iron Protected from rusting Harder None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following stainless steels is non-magnetic? Austenitic Ferritic Martensitic None of these Austenitic Ferritic Martensitic None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The formation of oxide film on a metal due to atmospheric exposure reduces its Stiffness Creep limit All of these Toughness Stiffness Creep limit All of these Toughness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Visco-elastic behaviour of materials which is time dependent is common in Plastics Crystalline solid Non-crystalline organic polymer Non-crystalline solids Plastics Crystalline solid Non-crystalline organic polymer Non-crystalline solids ANSWER DOWNLOAD EXAMIANS APP
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