Chemical Engineering Basics __________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where it may be necessary to dismantle & reassemble the pipeline very frequently. Collar Expansion Flanged Bell and Spigot Collar Expansion Flanged Bell and Spigot ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Maraging steels derive their strength from the following mechanism: A fine, highly dislocated and strong martensite Fine dispersions of Fe₃ C nucleated on dislocations in austenite Fine dispersions of intermetallics of Fe, Ni, Ti etc Fine dispersions of alloy carbides in a ferrite matrix A fine, highly dislocated and strong martensite Fine dispersions of Fe₃ C nucleated on dislocations in austenite Fine dispersions of intermetallics of Fe, Ni, Ti etc Fine dispersions of alloy carbides in a ferrite matrix ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Corrosion rate can not be lowered by reducing the __________ of the corroding medium. Concentration None of these Velocity Temperature Concentration None of these Velocity Temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The stress at which a metal fails by fatigue lies In the plastic range None of these In the elastic range Near the fracture point of the stress-strain curve In the plastic range None of these In the elastic range Near the fracture point of the stress-strain curve ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The phenomenon of strain-ageing is generally experienced with High manganese steel Cast iron Low carbon steel High carbon steel High manganese steel Cast iron Low carbon steel High carbon steel 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. Radiation Conduction Nucleate boiling Convection Radiation Conduction Nucleate boiling Convection ANSWER DOWNLOAD EXAMIANS APP
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