Chemical Reaction Engineering For a tubular reactor with space time 'τ' and residence time 'θ', the following statement holds good. τ = θ , for a non-isothermal reactor τ = θ , for an isothermic tubular reactor in which the density of the process fluid is constant τ = θ , when the fluid density changes in the reactor τ and θ are always equal τ = θ , for a non-isothermal reactor τ = θ , for an isothermic tubular reactor in which the density of the process fluid is constant τ = θ , when the fluid density changes in the reactor τ and θ are always equal ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following factors control the deactivation of a porous catalyst pellet? Form of surface attack by poison Decay reactions Pore diffusion All of these Form of surface attack by poison Decay reactions Pore diffusion All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Catalyst is a substance, which __________ chemical reaction. Alters the value of equilibrium constant in a reversible Can either increase or decrease the speed of a Increases the speed of a Decreases the speed of a Alters the value of equilibrium constant in a reversible Can either increase or decrease the speed of a Increases the speed of a Decreases the speed of a ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In the converter of the contact process for the manufacture of H₂SO₄ the equilibrium conversion of SO₂ __________ (i) __________ with increase in temperature and __________ (ii) __________ with increase in the mole ratio of SO₂ to air. (i) increases (ii) decreases (i) increases (ii) increases (i) decreases (ii) increases (i) decreases (ii) decreases (i) increases (ii) decreases (i) increases (ii) increases (i) decreases (ii) increases (i) decreases (ii) decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of the chemical reaction A → B doubles as the concentration of A i.e.., CA is doubled. If rate of reaction is proportional to CAn, then what is the value of n for this reaction? 2 0.5 1 2 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The ratio of volume of mixed reactor to the volume of P.F.R. (for identical flow rate, feed composition and conversion) for zero order reaction is 1 ∞ > 1 1 ∞ > 1 ANSWER DOWNLOAD EXAMIANS APP
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