Materials and Construction Which of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C? Brass, cast iron, mild steel and tin Aluminium, copper, high silicon iron Nickel, monel, stainless steel and graphite Silicone rubber, teflon, procelain and wood Brass, cast iron, mild steel and tin Aluminium, copper, high silicon iron Nickel, monel, stainless steel and graphite Silicone rubber, teflon, procelain and wood ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead pipes are not safe for carraying drinking water, because water, containing dissolved oxygen attacks lead thereby forming poisonous Pb(OH)₂. Lead pipes are readily corroded by v Acetic acid Dilute HC₁ None of these v Acetic acid Dilute HC₁ None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Thermoplastic resins are those polymers, which None of these Has decreased plasticity at increasing temperature Easily deform under pressure at high temperature Can not be moulded None of these Has decreased plasticity at increasing temperature Easily deform under pressure at high temperature Can not be moulded ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Constantan used in thermocouples is an alloy of Copper & aluminium Iron & copper None of these Lead & tin Copper & aluminium Iron & copper None of these Lead & tin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In order to be called steel, an alloy should have iron percentage greater than 50 80 70 90 50 80 70 90 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Condenser tubes are not made of Cartridge brass Muntz brass Aluminium brass alloy Wood metal Cartridge brass Muntz brass Aluminium brass alloy Wood metal ANSWER DOWNLOAD EXAMIANS APP
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