Materials and Construction The presence of impurities in iron Increases its melting point Makes it malleable Does not affect its melting point Decreases its melting point Increases its melting point Makes it malleable Does not affect its melting point Decreases its melting point ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The addition of antimony in tin-based alloys improves its Deformation resistance Impact strength and bonding strength Rupture strength and hot hardness Wear resistance Deformation resistance Impact strength and bonding strength Rupture strength and hot hardness Wear resistance ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon is present in the combined form (carbide) in case of Pig iron All of these Steel Ferroalloys Pig iron All of these Steel Ferroalloys ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Approximate value of the modulus of elasticity for steel is about __________ x l0⁶kg/cm². 2 40 75 0.5 2 40 75 0.5 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead pipes are not safe for carrying drinking water because water containing dissolved oxygen attacks lead thereby forming poisonous Pb (OH)2. None of these Concentrated H₂SO₄ Dilute HCI Acetic acid None of these Concentrated H₂SO₄ Dilute HCI Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The crystal structure of most of the common metals is Hexagonal Cubic None of these Orthorhombic Hexagonal Cubic None of these Orthorhombic ANSWER DOWNLOAD EXAMIANS APP