Materials and Construction Duralumin is an alloy of Aluminium and nickel None of these Aluminium, nickel and silicon Aluminium, copper and manganese Aluminium and nickel None of these Aluminium, nickel and silicon Aluminium, copper and manganese ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ceramic materials Never exhibit polymorphism All of these Are exemplified by clay and mica Are poor electrical conductors due to lack of free electrons Never exhibit polymorphism All of these Are exemplified by clay and mica Are poor electrical conductors due to lack of free electrons ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cementite is Characterised by an orthorhombic crystal structure All of these A compound of carbon and iron Fe₃C chemically Characterised by an orthorhombic crystal structure All of these A compound of carbon and iron Fe₃C chemically 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 None of these Acetic acid v Dilute HC₁ None of these Acetic acid v Dilute HC₁ ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is not an alloy of copper? Muntz metal Pewter metal Admirability gun metal German silver Muntz metal Pewter metal Admirability gun metal German silver ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following has the least carbon percentage? Wrought iron Low carbon steel Mild steel White cast iron Wrought iron Low carbon steel Mild steel White cast iron ANSWER DOWNLOAD EXAMIANS APP
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