Chemical Engineering Basics Transition from laminar flow to turbulent flow in fluid flow through a pipe does not depend upon the Diameter of the pipe Velocity of the fluid Density of the fluid Length of the pipe Diameter of the pipe Velocity of the fluid Density of the fluid Length of the pipe ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The best criterion for analysing an economic investment is the Rate of return criterion Future value method Present value method Salvage value Rate of return criterion Future value method Present value method Salvage value ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Powder metallurgy process does not make metal powder by Atomisation Grinding/milling Hammering Electrolytic deposition Atomisation Grinding/milling Hammering Electrolytic deposition ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In extrusion of metals, which of the following statement is true ? Hollow ram is used for indirect extrusion Relative motion between the billet surface and the container wall is always present Redundant work is a function of the die angle Speed of the extruded material is same as that of ram speed Hollow ram is used for indirect extrusion Relative motion between the billet surface and the container wall is always present Redundant work is a function of the die angle Speed of the extruded material is same as that of ram speed ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Maraging steels derive their strength from the following mechanism: 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 Fine dispersions of Fe₃ C nucleated on dislocations in austenite ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics A cylinderical rod subjected to a tensile strain within the elastic limit undergoes a volume change. If the volume strain is equal to half the tensile strain, then the Poisson's ratio of the rod is 0.25 0.44 0.33 0.25 0.44 0.33 ANSWER DOWNLOAD EXAMIANS APP
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