Materials and Construction Glass is corroded by Fluorine (dry or wet) Phosphoric acid None of these Sulphuric acid Fluorine (dry or wet) Phosphoric acid None of these Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which metal is protected by the layer of its own oxide? Calcium Aluminium Silver Iron Calcium Aluminium Silver Iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Nickel and molybdenum are the basic constituents of Hastealloy Solder Inconel German silver Hastealloy Solder Inconel German silver ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Reduction in the grain size reduces the __________ of the material. Creep resistance Fatigue resistance All of these Tensile strength Creep resistance Fatigue resistance All of these Tensile strength ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of high amount of silicon in cast iron Increases the formation of graphite Reduces its fluidity Suppresses the decomposition of Fe₃ C Increases the contraction of the metal Increases the formation of graphite Reduces its fluidity Suppresses the decomposition of Fe₃ C Increases the contraction of the metal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of even very minute amount (say 0.1%) of __________ in copper, reduces its electrical conductivity very seriously. Both B and C Bismuth Arsenic Antimony Both B and C Bismuth Arsenic Antimony ANSWER DOWNLOAD EXAMIANS APP
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