Chemical Engineering Basics Powder metallurgy is used to produce Components of such alloys whose constituents do not form alloys readily Components of large size Porosity free components High precision components with complex cavities and sharp features Components of such alloys whose constituents do not form alloys readily Components of large size Porosity free components High precision components with complex cavities and sharp features 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 intermetallics of Fe, Ni, Ti etc Fine dispersions of alloy carbides in a ferrite matrix Fine dispersions of Fe₃ C nucleated on dislocations in austenite A fine, highly dislocated and strong martensite Fine dispersions of intermetallics of Fe, Ni, Ti etc 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 Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type Counter flow with equal heat capacities Parallel flow with unequal heat capacities Parallel flow with equal heat capacities Counter flow with unequal heat capacities Counter flow with equal heat capacities Parallel flow with unequal heat capacities Parallel flow with equal heat capacities Counter flow with unequal heat capacities ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The best criterion for analysing an economic investment is the Rate of return criterion Salvage value Present value method Future value method Rate of return criterion Salvage value Present value method Future value method ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Measurement of the area of the indented surface is not involved in the __________ hardhes testing method. Brinell Vicker's Knoop Rockwell Brinell Vicker's Knoop Rockwell 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 0.33 0.25 0.44 0.33 0.25 0.44 ANSWER DOWNLOAD EXAMIANS APP