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 Convection Conduction Nucleate boiling Radiation Convection Conduction Nucleate boiling 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
Chemical Engineering Basics The main function of the deaerator used in the thermal power plant is to 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 Enhance feed water temperature Remove non-condensable gases from condenser ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics 1% concentration of water vapor in air is equivalent to __________ ppm (parts per million). 10000 100 10 1000 10000 100 10 1000 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In the Bayer's process, bauxite is digested under pressure using HCl NH₃ H₂SO₄ NaOH HCl NH₃ H₂SO₄ NaOH ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Blast furnace slag is mainly molten Calcium silicate Magnesium silicate Iron pyrite Sand Calcium silicate Magnesium silicate Iron pyrite Sand ANSWER DOWNLOAD EXAMIANS APP
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