Chemical Engineering Basics Cold cracking in the heat affected zone of a high strength steel weld can take place because of the Martensite formation Sufficient hydrogen present in the welding arc Relatively high sulphur content in the base metal Retained austenite Martensite formation Sufficient hydrogen present in the welding arc Relatively high sulphur content in the base metal Retained austenite ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics With increase in steam pressure, its specific volume decreases Slowly first and then rapidly Exponentially Rapidly first and then slowly Linearly Slowly first and then rapidly Exponentially Rapidly first and then slowly Linearly ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ of air does not increase with increase in temperature. Thermal conductivity Viscosity Thermal diffusivity Density Thermal conductivity Viscosity Thermal diffusivity Density 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 0.44 0.25 0.33 0.44 0.25 0.33 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Compression ratio of an I.C. engine is the ratio of the Volume of air in cylinder before compression to that after compression Clearance volume to the volume swept by piston per stroke Pressure after compression to that before compression None of these Volume of air in cylinder before compression to that after compression Clearance volume to the volume swept by piston per stroke Pressure after compression to that before compression None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Materials used for making permanent magnets containing iron and nickel are made by __________ technique. Forging Casting None of these Powder metallurgy Forging Casting None of these Powder metallurgy ANSWER DOWNLOAD EXAMIANS APP
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