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 Convection Nucleate boiling Radiation Conduction Convection Nucleate boiling 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 0.33 0.44 0.25 0.33 0.44 0.25 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The approximate height of a blast furnace having a useful volume of 2000 m³ is about __________ metres 35 55 25 75 35 55 25 75 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Isotropic materials have the same __________ in all directions. Elastic properties Density Induced stresses Thermal properties Elastic properties Density Induced stresses Thermal properties ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics For the irreversible reaction, Ca+ 2C = Ca C₂ , Δ H°298 = - 60000 J . mole⁻¹ . If a system initially containing 2 moles of calcium, 3 moles of carbon and 1 mole of calcium carbide is allowed to react to completion, the heat evolved at 298 K will be 90000 J 60000 J 240000 J 30000 J 90000 J 60000 J 240000 J 30000 J ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Rain drops falling through atmospheric air attain limited terminal velocity, because of Force of gravity Viscous force exerted by air Surface tension effects of water Upward thrust due to air Force of gravity Viscous force exerted by air Surface tension effects of water Upward thrust due to air ANSWER DOWNLOAD EXAMIANS APP
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