Materials and Construction Which of the following is the most widely used insulating material for steam carray-ing pipelines? Vermiculite Ceramic fibre blanket Slag wool Glass wool and 85% magnesia Vermiculite Ceramic fibre blanket Slag wool Glass wool and 85% magnesia ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction As the impurities are oxidised, the melting point of iron May increase or decrease ; unpredictable Increases Decreases Remains unchanged May increase or decrease ; unpredictable Increases Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Zinc is not used As anode for corrosion prevention in boiler For producing zinc base die casting alloys As an alloying element in various bronzes In its oxide form as pigments As anode for corrosion prevention in boiler For producing zinc base die casting alloys As an alloying element in various bronzes In its oxide form as pigments ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C? 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 Aluminium, copper, high silicon iron Brass, cast iron, mild steel and tin Silicone rubber, teflon, procelain and wood ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Condenser tubes are not made of Cartridge brass Aluminium brass alloy Wood metal Muntz brass Cartridge brass Aluminium brass alloy Wood metal Muntz brass ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Stainless steel contains Chromium and nickel Vanadium Copper Aluminium Chromium and nickel Vanadium Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
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