Chemical Reaction Engineering A pulse tracer is introduced in an ideal CSTR (with a mean residence time ι) at time, t = 0. The time taken for the exit concentration of the tracer to reach half of its initial value will be 0.5τ τ/0.693 0.693τ 2τ 0.5τ τ/0.693 0.693τ 2τ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The irreversible reaction is a special case of reversible reaction, if the All of these Reactant concentration at equilibrium condition is zero Conversion of the reactant at equilibrium condition is zero Equilibrium constant is 1 All of these Reactant concentration at equilibrium condition is zero Conversion of the reactant at equilibrium condition is zero Equilibrium constant is 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For identical flow rate, feed composition and for elementary first order reactions, 'N' equal sized mixed reactors in series with a total volume 'V' gives the same conversion as a single plug flow reactor of volume 'V' for constant density systems. This is true, when the value of 'N' is >1 ∞ ≥1 1 >1 ∞ ≥1 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An endothermic second order reaction is carried out in an adiabatic plug flow reactor. The rate of heat generation is Constant throughout the reactor Maximum at the centre of the reactor Maximum at the exit of the reactor Maximum at the inlet of the reactor Constant throughout the reactor Maximum at the centre of the reactor Maximum at the exit of the reactor Maximum at the inlet of the reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The following gas phase reactions are carried out isothermally in a CSTR.A → 2R ; r₁ = K₁pA ;K₁ = 20mole/(sec.m³ bar)A → 3S ; r₂ = K₂ pA ;K₂ = 40mole/ (sec.m³ .bar)What is the maximum possible value of FR(mole/sec.) ? 43864 2 43832 43833 43864 2 43832 43833 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Catalyst is a substance, which __________ chemical reaction. Can either increase or decrease the speed of a Increases the speed of a Alters the value of equilibrium constant in a reversible Decreases the speed of a Can either increase or decrease the speed of a Increases the speed of a Alters the value of equilibrium constant in a reversible Decreases the speed of a ANSWER DOWNLOAD EXAMIANS APP