Materials and Construction Super conductors are those substances, which Conduct electricity at high temperature Offer no resistance to current flow Offer high resistance to current flow Conduct electricity at low temperature Conduct electricity at high temperature Offer no resistance to current flow Offer high resistance to current flow Conduct electricity at low temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ceramic materials fabrication can not be done by Plastic pressing Extrusion Slip casting Welding Plastic pressing Extrusion Slip casting Welding ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The presence of impurities in iron Does not affect its melting point Increases its melting point Decreases its melting point Makes it malleable Does not affect its melting point Increases its melting point Decreases its melting point Makes it malleable ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Silicon percentage in iron castings to have maximum hardness should be about 2.5 0.3 0.8 0.5 2.5 0.3 0.8 0.5 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Steel rods are used in reinforced concrete to increase its __________ strength. None of these Tensile Compressive Shear None of these Tensile Compressive Shear ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A material capable of undergoing large permanent deformation, when subjected to tension is termed as Ductile Brittle Friable None of these Ductile Brittle Friable None of these ANSWER DOWNLOAD EXAMIANS APP