Chemical Reaction Engineering Space time equals the mean residence time For CSTR For large diameter tubular reactor For narrow diameter tubular reactor When the density of the reaction mixture is constant For CSTR For large diameter tubular reactor For narrow diameter tubular reactor When the density of the reaction mixture is constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If helium is introduced in a reactor containing O₂, SO₂ and SO₃ at equilibrium, so that total pressure increases while volume and temperature remains constant. In this case the dissociation of SO₃ (as per Le Chatlier principle) Decreases Increases Changes unpredictably Remains unaltered Decreases Increases Changes unpredictably Remains unaltered ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering To maximise the formation of R in the simultaneous reactionA + B → R , rR = 2CA0.5.CB2 A + B → S , rS = 1.5 CA . CB We should have High CA, high CB Low CA, high CB Low CA, low CB High CA, low CB High CA, high CB Low CA, high CB Low CA, low CB High CA, low CB ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the pore diffusion controls in a catalytic reaction, the apparent activation energy Ea is equal to The intrinsic activation energy E ED/2 (E + ED)/2 (E + ED) where ED is activation due to diffusion The intrinsic activation energy E ED/2 (E + ED)/2 (E + ED) where ED is activation due to diffusion ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering B.E.T. method of finding out surface area of a catalyst, uses the extension of __________ isotherm. Tempkin None of these Freundlich Langmuir Tempkin None of these Freundlich Langmuir ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Promoter is added to the catalyst to improve its None of these Porosity Surface area Sensitivity None of these Porosity Surface area Sensitivity ANSWER DOWNLOAD EXAMIANS APP
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