Chemical Reaction Engineering Promoter is added to the catalyst to improve its Porosity Sensitivity None of these Surface area Porosity Sensitivity None of these Surface area ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a first order isothermal chemical reaction in a porous catalyst, the effectiveness factor is 0.3. The effectiveness factor will increase if the Catalyst size is increased or the catalyst diffusivity is reduced Catalyst size is reduced or the catalyst diffusivity is increased Catalyst size is increased or the catalyst diffusivity is increased Catalyst size is reduced or the catalyst diffusivity is reduced Catalyst size is increased or the catalyst diffusivity is reduced Catalyst size is reduced or the catalyst diffusivity is increased Catalyst size is increased or the catalyst diffusivity is increased Catalyst size is reduced or the catalyst diffusivity is reduced ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Sometimes, batch process is preferred over continuous process, when the product Both A & B Sales demand is fluctuating Quality & yield can not be achieved in continuous processes, because of long residence time Neither A nor B Both A & B Sales demand is fluctuating Quality & yield can not be achieved in continuous processes, because of long residence time Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Fluidised bed reactor is characterised by Comparatively smaller equipment Absence of continuous catalyst regeneration facility Uniformity of temperature Very small pressure drop Comparatively smaller equipment Absence of continuous catalyst regeneration facility Uniformity of temperature Very small pressure drop ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering What is the order of a chemical reaction whose rate is deter-mined by the variation of one concentration term only? Second First Third Zero Second First Third Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is not endothermic in nature? Combustion of sulphur Gasification of carbon Steam reforming of naphtha Thermal cracking of fuel oil Combustion of sulphur Gasification of carbon Steam reforming of naphtha Thermal cracking of fuel oil ANSWER DOWNLOAD EXAMIANS APP