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 Deformation band is absent in materials having __________ lattice crystal structure. Fcc None of these Bcc Hcp Fcc None of these Bcc Hcp ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Nitrogen is not an essential component of Urea Any of these Protein Oils & fats Urea Any of these Protein Oils & fats ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Cold cracking in the heat affected zone of a high strength steel weld can take place because of the Retained austenite Martensite formation Relatively high sulphur content in the base metal Sufficient hydrogen present in the welding arc Retained austenite Martensite formation Relatively high sulphur content in the base metal Sufficient hydrogen present in the welding arc ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics On decreasing the grain size of a polycrys-talline material, the property most likely to deteriorate is Toughness Creep Fatigue Tensile strength Toughness Creep Fatigue Tensile strength ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Compression ratio of an I.C. engine is the ratio of the None of these Clearance volume to the volume swept by piston per stroke Volume of air in cylinder before compression to that after compression Pressure after compression to that before compression None of these Clearance volume to the volume swept by piston per stroke Volume of air in cylinder before compression to that after compression Pressure after compression to that before compression ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS