Chemical Engineering Basics Cold cracking in the heat affected zone of a high strength steel weld can take place because of the Retained austenite Martensite formation Sufficient hydrogen present in the welding arc Relatively high sulphur content in the base metal Retained austenite Martensite formation Sufficient hydrogen present in the welding arc Relatively high sulphur content in the base metal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Coke is added in the blast furnace to 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 Remove sulphur & phosphorus from molten metal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ iron is produced by the annealing of white cast iron. Ductile Malleable Grey Nodular Ductile Malleable Grey Nodular ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Brinell Hardness Number (BHN) for talc is approximately in the range of 200-250 20-30 100-150 1-5 200-250 20-30 100-150 1-5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Super conduction in metals is observed at a temperature of __________ °K. About 273 >100 About 373 About 273 >100 About 373 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In radiative heat transfer, a grey surface is the one, which has Zero reflectivity Grey appearance to the eye Emissivity independent of wavelength Equal brightness in all directions Zero reflectivity Grey appearance to the eye Emissivity independent of wavelength Equal brightness in all directions ANSWER DOWNLOAD EXAMIANS APP
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