Materials and Construction As the impurities are oxidised, the melting point of iron Decreases May increase or decrease ; unpredictable Remains unchanged Increases Decreases May increase or decrease ; unpredictable Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast iron compared to steel is better in Ductility Strength Fluidity & castability Malleability Ductility Strength Fluidity & castability Malleability ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The main purpose of galvanising iron sheets is to Harden the surface Prevent the action of water Prevent the action of oxygen Increase its glossiness and lustre Harden the surface Prevent the action of water Prevent the action of oxygen Increase its glossiness and lustre ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead alone is not used in storing equipment, because it Is very costly Corrodes easily None of these Is having low creep strength Is very costly Corrodes easily None of these Is having low creep strength ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Rotary kilns in cement industry are lined with____bricks. Silica Fireclay Lead High alumina & high magnesia Silica Fireclay Lead High alumina & high magnesia ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Nitriding of steel is a process for Annealing Case hardening Spheroidising Normalising Annealing Case hardening Spheroidising Normalising ANSWER DOWNLOAD EXAMIANS APP
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