Materials and Construction Atmospheric corrosion of metals result from their Slow oxidation Fast hydration Slow dehydration Fast oxidation Slow oxidation Fast hydration Slow dehydration Fast oxidation ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Gas holder of a gobar (cowdung) gas plant is made of Aluminium Mild steel Tin Molybdenum stainless steel Aluminium Mild steel Tin Molybdenum stainless steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High speed steel should have high Both B & C Wear resistance Hardenability Toughness Both B & C Wear resistance Hardenability Toughness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Telfon (PTFE) is corroded by Sulphuric acid None of these Hydrochloric acid (95%) Hydrochloric acid (10%) Sulphuric acid None of these Hydrochloric acid (95%) Hydrochloric acid (10%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of high phosphorous in cast iron increases its Fluidity Tensile strength Shrinkage Melting point Fluidity Tensile strength Shrinkage Melting point ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A chemical change takes place when iron None of these Is heated Melts Rusts None of these Is heated Melts Rusts ANSWER DOWNLOAD EXAMIANS APP
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