Chemical Engineering Basics Maraging steels derive their strength from the following mechanism: Fine dispersions of intermetallics of Fe, Ni, Ti etc A fine, highly dislocated and strong martensite Fine dispersions of alloy carbides in a ferrite matrix Fine dispersions of Fe₃ C nucleated on dislocations in austenite Fine dispersions of intermetallics of Fe, Ni, Ti etc A fine, highly dislocated and strong martensite Fine dispersions of alloy carbides in a ferrite matrix Fine dispersions of Fe₃ C nucleated on dislocations in austenite 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 : Jet of water at high pressure 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 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics If a heat transfer surface is pock-marked with a number of cavities, then as compared to a smooth surface the heat transfer by __________ will not increase. Nucleate boiling Convection Radiation Conduction Nucleate boiling Convection Radiation Conduction ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Limestone addition in the blast furnace is done to flux __________ present in the raw materials. SiO₂ Al2O₃ P MnO₂ SiO₂ Al2O₃ P MnO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The approximate height of a blast furnace having a useful volume of 2000 m³ is about __________ metres 75 35 55 25 75 35 55 25 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Grain hardness is measured by the __________ hardness testing method. Knoop Rockwell F Shore sceleroscope Vicker's Knoop Rockwell F Shore sceleroscope Vicker's ANSWER DOWNLOAD EXAMIANS APP
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