Materials and Construction __________ iron is produced, when molten pig iron is chilled suddenly. Wrought Grey cast White cast None of these Wrought Grey cast White cast None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tin coating on metals is not done by Electro-deposition Spraying Powder metallurgy Hot dipping Electro-deposition Spraying Powder metallurgy Hot dipping ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction As the impurities are oxidised, the melting point of iron Decreases Remains unchanged Increases May increase or decrease ; unpredictable Decreases Remains unchanged Increases May increase or decrease ; unpredictable ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Glass lined vessels are not used for handling Dilute HNO₃ Dilute HNO₃ Hydroflouric acid Dilute HCI Dilute HNO₃ Dilute HNO₃ Hydroflouric acid Dilute HCI ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Thermosetting resins are those polymers, which Do not increase in plasticity with rise in temperature Allow slip to occur between molecules None of these Do not take on a permanent set Do not increase in plasticity with rise in temperature Allow slip to occur between molecules None of these Do not take on a permanent set ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The most commonly used resin for making reinforced plastic is Nylon-6 Polypropylene Unsaturated polyester Polyurathane Nylon-6 Polypropylene Unsaturated polyester Polyurathane ANSWER DOWNLOAD EXAMIANS APP
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