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 The eddy diffusivity for a liquid in plug flow must be ∞ Between 0 and 1 0 1 ∞ Between 0 and 1 0 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Consider the 'n' th order irreversible liquid phase reaction A → B. Which one of the following plots involving half life of the reaction (t1/2) and the initial reactant concentration (CA0) gives a straight line plot? CA0 Vs ln t1/2 CA0 Vs t1/2 Ln CA0 Vs t1/2 Ln CA0 Vs ln t1/2 CA0 Vs ln t1/2 CA0 Vs t1/2 Ln CA0 Vs t1/2 Ln CA0 Vs ln t1/2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The heat of reaction Depends on both pressure and mechanism of reaction Depends on the mechanism of reaction only Is independent of the mechanism of reaction Depends on the pressure only Depends on both pressure and mechanism of reaction Depends on the mechanism of reaction only Is independent of the mechanism of reaction Depends on the pressure only ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Promoter. Increases the number of active centres by increasing the unevenness of catalyst surface and by creating discontinuities in the crystals Atlers the position of equilibrium in a reversible reaction All of these Initiates a chemical reaction and is a catalyst by itself Increases the number of active centres by increasing the unevenness of catalyst surface and by creating discontinuities in the crystals Atlers the position of equilibrium in a reversible reaction All of these Initiates a chemical reaction and is a catalyst by itself ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Rate of a chemical reaction is independent of the concentration of the reactants for a __________ reaction. Consecutive Zero order None of these Third order Consecutive Zero order None of these Third order ANSWER DOWNLOAD EXAMIANS APP