Materials and Construction The presence of impurities in iron Increases its melting point Does not affect its melting point Decreases its melting point Makes it malleable Increases its melting point Does not affect its melting point Decreases its melting point Makes it malleable ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Glass lined vessels are not used for handling/storing Dilute HCl Hydroflouric acid Dilute H₂SO₄ Dilute HNO₃ Dilute HCl Hydroflouric acid Dilute H₂SO₄ Dilute HNO₃ ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of silicon in steel Indicates that steel is not deoxidised properly None of these Decreases the blow holes formation tendency in castings Is in the form of free Si Indicates that steel is not deoxidised properly None of these Decreases the blow holes formation tendency in castings Is in the form of free Si ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Zircalloy used as a fuel cladding material in a nuclear reactor (thermal) is an alloy of zirconium And copper Tin, nickel, iron and chromium And graphite None of these And copper Tin, nickel, iron and chromium And graphite None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following will have the highest melting point? Pig iron Wrought iron Mild steel High carbon steel Pig iron Wrought iron Mild steel High carbon steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The behaviour of visco-elastic material is time dependent. This behaviour is commo in __________ materials. Crystalline Rubberry Non-crystalline organic polymeric Non-crystalline solid Crystalline Rubberry Non-crystalline organic polymeric Non-crystalline solid ANSWER DOWNLOAD EXAMIANS APP
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