Chemical Reaction Engineering For a tubular reactor with space time 'τ' and residence time 'θ', the following statement holds good. τ = θ , for an isothermic tubular reactor in which the density of the process fluid is constant τ = θ , for a non-isothermal reactor τ = θ , when the fluid density changes in the reactor τ and θ are always equal τ = θ , for an isothermic tubular reactor in which the density of the process fluid is constant τ = θ , for a non-isothermal reactor τ = θ , when the fluid density changes in the reactor τ and θ are always equal ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A back mix reactor is Same as ideal stirred tank reactor Suitable for gas phase reactions Ideal at very low conversion Same as plug flow reactor (PFR) Same as ideal stirred tank reactor Suitable for gas phase reactions Ideal at very low conversion Same as plug flow reactor (PFR) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering __________ is the controlling step in a highly temperature sensitive fluid-solid non-catalytic reaction. Chemical reaction Gas film diffusion Ash diffusion None of these Chemical reaction Gas film diffusion Ash diffusion None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of a gas phase reaction is given by K . CA . CB. If the volume of the reaction vessel is reduced to l/4th of its initial volume, then the reaction rate compared to the original rate will be __________ times. 2 8 4 16 2 8 4 16 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The half life period of a first order reaction is given by (where, K = rate constant. ) 6.93 K 1.5 K 0.693/K 2.5 K 6.93 K 1.5 K 0.693/K 2.5 K ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Half life period of a chemical reaction is proportional to CA0-1 , if the reaction is of __________ order. Zero Second First Third Zero Second First Third ANSWER DOWNLOAD EXAMIANS APP