Chemical Engineering Basics If a heat transfer surface is pock-marked with a number of cavities, then as compared to a smooth surface the heat transfer by __________ will not increase. Radiation Conduction Nucleate boiling Convection Radiation Conduction Nucleate boiling Convection ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The main function of the deaerator used in the thermal power plant is to Enhance feed water temperature Remove non-condensable gases from condenser Throttle down the steam pressure Remove dissolved gases from feed-water Enhance feed water temperature Remove non-condensable gases from condenser Throttle down the steam pressure Remove dissolved gases from feed-water ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Deformation band is absent in materials having __________ lattice crystal structure. Bcc None of these Fcc Hcp Bcc None of these Fcc Hcp 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 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 Sufficient hydrogen present in the welding arc Martensite formation Retained austenite ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Protection of ship hulls against sea water corrosion is done by coating with zinc because of the fact that zinc compared to iron is Oxidised preferentially Cheaper Reduced preferentially Lighter Oxidised preferentially Cheaper Reduced preferentially Lighter ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Buoyancy force depends on the __________ the liquid. Depth of immersion in Displaced mass of Viscosity of Surface tension of Depth of immersion in Displaced mass of Viscosity of Surface tension of ANSWER DOWNLOAD EXAMIANS APP
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