Chemical Engineering Basics On decreasing the grain size of a polycrys-talline material, the property most likely to deteriorate is Tensile strength Creep Toughness Fatigue Tensile strength Creep Toughness Fatigue ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Paint spray gun works on the principle of None of these Boyle's law Bernoulli's theorem Newton's law of viscosity None of these Boyle's law Bernoulli's theorem Newton's law of viscosity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Out of the following, the lowest packing of atoms exists in __________ crystal lattice structure. Body centred cubic (bcc) Simple cubic Face centred cubic (fcc) Hexagonal close, packed (hcp) Body centred cubic (bcc) Simple cubic Face centred cubic (fcc) Hexagonal close, packed (hcp) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is not a characteristic observed in material failure by fatigue fracture ? Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Plastic deformation of material does not occur Initation of crack occurs on the surface of the machine part Initiation of crack from below the surface does not occur Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Plastic deformation of material does not occur Initation of crack occurs on the surface of the machine part Initiation of crack from below the surface does not occur 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 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 Retained austenite ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Presence of small quantity of sulphur in low carbon steel improves its Hardenarality Machinability Weldability Formability Hardenarality Machinability Weldability Formability ANSWER DOWNLOAD EXAMIANS APP
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