Materials and Construction A metallic alloy in general as compared to their pure metal components is Having lower electrical conductivity More corrosion resistant Having higher melting point Having lower hardness, reactivity and fusibility Having lower electrical conductivity More corrosion resistant Having higher melting point Having lower hardness, reactivity and fusibility ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which one occupies the lowermost position in the electromotive series of metals? Zinc Alkali metals (K, Na, Li) Noble metals (Ag, Pt, Au) Aluminium Zinc Alkali metals (K, Na, Li) Noble metals (Ag, Pt, Au) Aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Constantan used in thermocouples is an alloy of Copper & aluminium Iron & copper Lead & tin None of these Copper & aluminium Iron & copper Lead & tin None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is not shipped in mild steel containers? Ethyl alcohol Acetone Ammonia Formic acid Ethyl alcohol Acetone Ammonia Formic acid ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Alinco, which is a aluminium-cobalt-nickel steel, is used for making Surgical instruments Powerful magnets Boiler tubes Chemical equipments Surgical instruments Powerful magnets Boiler tubes Chemical equipments ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The presence of impurities in iron Does not affect its melting point Decreases its melting point Increases its melting point Makes it malleable Does not affect its melting point Decreases its melting point Increases its melting point Makes it malleable ANSWER DOWNLOAD EXAMIANS APP
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