Chemical Engineering Basics Out of the following, the lowest packing of atoms exists in __________ crystal lattice structure. Simple cubic Face centred cubic (fcc) Body centred cubic (bcc) Hexagonal close, packed (hcp) Simple cubic Face centred cubic (fcc) Body centred cubic (bcc) Hexagonal close, packed (hcp) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The best criterion for analysing an economic investment is the Future value method Rate of return criterion Present value method Salvage value Future value method Rate of return criterion Present value method Salvage value ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The total frictional resistance to fluid flow does not depend upon the Fluid velocity Fluid density Roughness of the surface Fluid pressure Fluid velocity Fluid density Roughness of the surface Fluid pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The phenomenon of strain-ageing is generally experienced with Low carbon steel High carbon steel Cast iron High manganese steel Low carbon steel High carbon steel Cast iron High manganese steel ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Corrosion rate can not be lowered by reducing the __________ of the corroding medium. Concentration Velocity Temperature None of these Concentration Velocity Temperature None of these ANSWER DOWNLOAD EXAMIANS APP
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 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 ANSWER DOWNLOAD EXAMIANS APP
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