Chemical Engineering Basics Coke is added in the blast furnace to Remove sulphur & phosphorus from molten metal Increase the fluidity of slag Reduce & melt the iron ore None of these Remove sulphur & phosphorus from molten metal Increase the fluidity of slag Reduce & melt the iron ore None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics A suitable lubricant used for watches is Grease Palm oil Hazel-nut oil Metallic soap solution Grease Palm oil Hazel-nut oil Metallic soap solution 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 30000 J 240000 J 90000 J 60000 J 30000 J 240000 J 90000 J 60000 J ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In "Imperial Smelting Process" for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following : Blast of air Rain of molten lead Mixture of water and air Jet of water at high pressure Blast of air Rain of molten lead Mixture of water and air Jet of water at high pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which one is neutral in character ? N₂O₅ N₂O₄ N₂O N₂O₃ N₂O₅ N₂O₄ N₂O N₂O₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Austempering of steel requires.it to be heated to 875°C followed by sudden cooling to 250-525°C, thereby changing austenite to Martensite Troostite Bainite Sorbite Martensite Troostite Bainite Sorbite ANSWER DOWNLOAD EXAMIANS APP
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