Chemical Engineering Basics Carbon is present in the form of __________ in grey cast iron. Nodular aggregates of graphite Flakes Cementite Spheroids Nodular aggregates of graphite Flakes Cementite Spheroids 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 Sufficient hydrogen present in the welding arc Martensite formation Retained austenite Relatively high sulphur content in the base metal Sufficient hydrogen present in the welding arc Martensite formation Retained austenite Relatively high sulphur content in the base metal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ is the hardest oxide and is hence used where high wear resistance at high temperature is required. Magnesia Zirconia Beryllia Alumina Magnesia Zirconia Beryllia Alumina ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Materials having __________ lattice structure are usually the most ductile. Hexagonal close packed (hcp) None of these Face centred cubic (fcc) Body centred cubic (bcc) Hexagonal close packed (hcp) None of these Face centred cubic (fcc) Body centred cubic (bcc) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The stress at which a metal fails by fatigue lies In the plastic range None of these In the elastic range Near the fracture point of the stress-strain curve In the plastic range None of these In the elastic range Near the fracture point of the stress-strain curve ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Compression ratio of an I.C. engine is the ratio of the Pressure after compression to that before compression Clearance volume to the volume swept by piston per stroke Volume of air in cylinder before compression to that after compression None of these Pressure after compression to that before compression Clearance volume to the volume swept by piston per stroke Volume of air in cylinder before compression to that after compression None of these ANSWER DOWNLOAD EXAMIANS APP
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