Materials and Construction Locomotive boiler tubes are made of __________ alloys. Magnesium Arsenic copper Aluminium Nickel Magnesium Arsenic copper Aluminium Nickel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction As the impurities are oxidised, the melting point of iron May increase or decrease ; unpredictable Decreases Remains unchanged Increases May increase or decrease ; unpredictable Decreases Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Wrought iron is having very high Susceptibility to changes in its properties by heat treatment Hardness Corrosion resistance Strength Susceptibility to changes in its properties by heat treatment Hardness Corrosion resistance Strength ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction When the steel is subjected to normalising, its __________ decreases. Ductility None of these Yield point Ultimate tensile strength (UTS) Ductility None of these Yield point Ultimate tensile strength (UTS) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Copper is dissolved from its ore by H₂SO₄ in a percolation tank made of High silicon iron (14% Si) Wood Stainless steel Reinforced concrete lined with lead High silicon iron (14% Si) Wood Stainless steel Reinforced concrete lined with lead ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The hardest material just prior to diamond in Mhos scale is Corrundum Calcite Carborundum Topax Corrundum Calcite Carborundum Topax ANSWER DOWNLOAD EXAMIANS APP
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