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. Conduction Convection Nucleate boiling Radiation Conduction Convection Nucleate boiling Radiation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Friction factor for fluid flow in pipe does not depend upon the Pipe length Fluid density & viscosity Mass flow rate of fluid Pipe roughness Pipe length Fluid density & viscosity Mass flow rate of fluid Pipe roughness ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Carbon is present in the form of __________ in grey cast iron. Cementite Nodular aggregates of graphite Flakes Spheroids Cementite Nodular aggregates of graphite Flakes Spheroids ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of portland cement. The component of Portland cement which first hardens is 5CaO . 3 Al2O₃ 3CaO . Al2O₃ 3CaO . SiO₂ 2CaO . SiO₂ 5CaO . 3 Al2O₃ 3CaO . Al2O₃ 3CaO . SiO₂ 2CaO . SiO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Brinell Hardness Number (BHN) for talc is approximately in the range of 200-250 100-150 20-30 1-5 200-250 100-150 20-30 1-5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The most commonly used combustion system manufactured in India for the thermal power plant boilers is the __________ combustion system. Pulverised fuel Circulating fluidised bed Fluidised bed Travelling grate stoker firing Pulverised fuel Circulating fluidised bed Fluidised bed Travelling grate stoker firing ANSWER DOWNLOAD EXAMIANS APP
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