Chemical Engineering Basics Coke is added in the blast furnace to Remove sulphur & phosphorus from molten metal None of these Reduce & melt the iron ore Increase the fluidity of slag Remove sulphur & phosphorus from molten metal None of these Reduce & melt the iron ore Increase the fluidity of slag ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics For the irreversible reaction, Ca+ 2C = Ca C₂ , Δ H°298 = - 60000 J . mole⁻¹ . If a system initially containing 2 moles of calcium, 3 moles of carbon and 1 mole of calcium carbide is allowed to react to completion, the heat evolved at 298 K will be 60000 J 240000 J 30000 J 90000 J 60000 J 240000 J 30000 J 90000 J ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Lead is poured into the joints between two __________ pipes. Steel Plastic Concrete Cast iron Steel Plastic Concrete Cast iron ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is not a characteristic observed in material failure by fatigue fracture ? Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Plastic deformation of material does not occur Initiation of crack from below the surface does not occur Initation of crack occurs on the surface of the machine part Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Plastic deformation of material does not occur Initiation of crack from below the surface does not occur Initation of crack occurs on the surface of the machine part ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics A suitable lubricant used for watches is Grease Metallic soap solution Palm oil Hazel-nut oil Grease Metallic soap solution Palm oil Hazel-nut oil ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Chlorine acts as a bleaching agent only in the presence of Moisture Dry air Pure oxygen Sunlight Moisture Dry air Pure oxygen Sunlight ANSWER DOWNLOAD EXAMIANS APP
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