Materials and Construction The presence of impurities in iron Increases its melting point Decreases its melting point Does not affect its melting point Makes it malleable Increases its melting point Decreases its melting point Does not affect its melting point Makes it malleable ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the most widely used insulating material for steam carray-ing pipelines? Ceramic fibre blanket Vermiculite Slag wool Glass wool and 85% magnesia Ceramic fibre blanket Vermiculite Slag wool Glass wool and 85% magnesia ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead pipe is All of these Having very low elastic limit resulting in permanent deformation from either mechanical or thermal strain Especially resistant to solutions containing H₂SO₄ Usually joined by burning (e.g. by melting to adjacent pieces with a torch) All of these Having very low elastic limit resulting in permanent deformation from either mechanical or thermal strain Especially resistant to solutions containing H₂SO₄ Usually joined by burning (e.g. by melting to adjacent pieces with a torch) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction German silver in an alloy of Silver, zinc and aluminium Silver, nickel and zinc Copper, nickel and zinc Copper, aluminium and silver Silver, zinc and aluminium Silver, nickel and zinc Copper, nickel and zinc Copper, aluminium and silver ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A material capable of undergoing large permanent deformation, when subjected to tension is termed as Brittle Ductile None of these Friable Brittle Ductile None of these Friable ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Balls in a ball mill are usually made of Stainless steel Bronze Cast iron Steel Stainless steel Bronze Cast iron Steel ANSWER DOWNLOAD EXAMIANS APP
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