Chemical Engineering Basics Coke is added in the blast furnace to Remove sulphur & phosphorus from molten metal Increase the fluidity of slag None of these Reduce & melt the iron ore Remove sulphur & phosphorus from molten metal Increase the fluidity of slag None of these Reduce & melt the iron ore ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Maraging steels derive their strength from the following mechanism: Fine dispersions of Fe₃ C nucleated on dislocations in austenite Fine dispersions of alloy carbides in a ferrite matrix Fine dispersions of intermetallics of Fe, Ni, Ti etc A fine, highly dislocated and strong martensite Fine dispersions of Fe₃ C nucleated on dislocations in austenite Fine dispersions of alloy carbides in a ferrite matrix Fine dispersions of intermetallics of Fe, Ni, Ti etc A fine, highly dislocated and strong martensite 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 : Rain of molten lead Mixture of water and air Blast of air Jet of water at high pressure Rain of molten lead Mixture of water and air Blast of air Jet of water at high pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics A compact estimate about the amount of materials handling between various work stations is obtained from the String diagram Gantt chart Travel chart Bin chart String diagram Gantt chart Travel chart Bin chart ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Scaling occurs in boiler tubes due to the fact that, the solubility of Ca(OH)₂ __________ with increasing temperature. Shows inversion of solubility Decreases Increases None of these Shows inversion of solubility Decreases Increases None of these 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 Troostite Bainite Sorbite Martensite Troostite Bainite Sorbite Martensite ANSWER DOWNLOAD EXAMIANS APP
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