Chemical Engineering Basics Materials used for making permanent magnets containing iron and nickel are made by __________ technique. Casting None of these Forging Powder metallurgy Casting None of these Forging Powder metallurgy 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 alloy carbides in a ferrite matrix Fine dispersions of intermetallics of Fe, Ni, Ti etc Fine dispersions of Fe₃ C nucleated on dislocations in austenite A fine, highly dislocated and strong martensite Fine dispersions of alloy carbides in a ferrite matrix Fine dispersions of intermetallics of Fe, Ni, Ti etc Fine dispersions of Fe₃ C nucleated on dislocations in austenite ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics A 2 kg object weighs 1.8 kgf on a spring balance. The value of 'g' at that location in m/seC₂ is 0.95 10.88 9.81 8.82 0.95 10.88 9.81 8.82 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In extrusion of metals, which of the following statement is true ? Speed of the extruded material is same as that of ram speed Redundant work is a function of the die angle Relative motion between the billet surface and the container wall is always present Hollow ram is used for indirect extrusion Speed of the extruded material is same as that of ram speed Redundant work is a function of the die angle Relative motion between the billet surface and the container wall is always present Hollow ram is used for indirect extrusion ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Hydrogen in liquid steels is dissolved As tiny gas bubbles In the atomic form In the molecular form In the ionic form As tiny gas bubbles In the atomic form In the molecular form In the ionic form ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Powder metallurgy is used to produce 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 Components of such alloys whose constituents do not form alloys readily ANSWER DOWNLOAD EXAMIANS APP
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