Materials and Construction Presence of nitrogen in steel Makes it brittle Increases its strength Is desirable Increases its hardness Makes it brittle Increases its strength Is desirable Increases its hardness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Bog iron used for the adsorption of H?S from coke oven gas is Iron impregnated with resin (usually bakelite) An intimate mixture of saw dust and iron dust (i.e. moist ferric hydroxide) None of these Carbon free iron Iron impregnated with resin (usually bakelite) An intimate mixture of saw dust and iron dust (i.e. moist ferric hydroxide) None of these Carbon free iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Reduction in the grain size reduces the __________ of the material. Creep resistance Tensile strength Fatigue resistance All of these Creep resistance Tensile strength Fatigue resistance All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Beehive coke ovens are made of __________ bricks. Corundum Silicon carbide Fireclay Silica Corundum Silicon carbide Fireclay Silica ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is a donor impurity for semi-conductors. None of these Boron Gallium Antimony None of these Boron Gallium Antimony ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Neutraliser tank used for reacting nitric acid with ammonia for the production of ammonium nitrate is made of Copper High silicon (14%) iron Stainles steel Aluminium Copper High silicon (14%) iron Stainles steel Aluminium ANSWER DOWNLOAD EXAMIANS APP
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