Materials and Construction Which of the following alloy steels has the energy saving properties making it suitable for use in electrical machines? None of these Silicon steel Molybdenum steel Chromium steel None of these Silicon steel Molybdenum steel Chromium steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The impure iron (pig iron) that is tapped out from blast furnace contains about __________ percent carbon. 8 0.2 4 2 8 0.2 4 2 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Galvanising is generally done on Cast iron Non-ferrous metals Stainless steel Low carbon steel Cast iron Non-ferrous metals Stainless steel Low carbon steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cementite is All of these Characterised by an orthorhombic crystal structure Fe₃C chemically A compound of carbon and iron All of these Characterised by an orthorhombic crystal structure Fe₃C chemically A compound of carbon and iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of nitrogen in steel Increases its hardness Makes it brittle Is desirable Increases its strength Increases its hardness Makes it brittle Is desirable Increases its strength ANSWER DOWNLOAD EXAMIANS APP
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 Nickel, monel, stainless steel and graphite Aluminium, copper, high silicon iron Silicone rubber, teflon, procelain and wood Brass, cast iron, mild steel and tin Nickel, monel, stainless steel and graphite Aluminium, copper, high silicon iron Silicone rubber, teflon, procelain and wood ANSWER DOWNLOAD EXAMIANS APP
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