Chemical Reaction Engineering Which of the following will give maximum gas conversion? Plug-flow catalytic reactor Fluidised bed reactor Semi-fluidised bed reactor Fixed bed reactor Plug-flow catalytic reactor Fluidised bed reactor Semi-fluidised bed reactor Fixed bed reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following factors control the design of a fluid-solid reactor? Flow patterns of solids and fluid in the reactor Size distribution of solids beingtreated All of these Reaction kinetics for single particle, Flow patterns of solids and fluid in the reactor Size distribution of solids beingtreated All of these Reaction kinetics for single particle, ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the time required to change the concentration of reactant to half its original value is independent of the initial concentration, the order of reaction is Zero Two Three One Zero Two Three One ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reaction rate almost gets doubled for 10°C rise in temperature. This is due to the fact that the Value of threshold energy decreases Collision frequency increases Increased temperature reduces the activation energy Fraction of molecules having threshold energy increases Value of threshold energy decreases Collision frequency increases Increased temperature reduces the activation energy Fraction of molecules having threshold energy increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering What is the order of a chemical reaction in which doubling the initial concentration of the reactants doubles the half life time of the reaction? 3 Zero 2 1 3 Zero 2 1 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) Increases Remains unaltered Decreases Changes unpredictably Increases Remains unaltered Decreases Changes unpredictably ANSWER DOWNLOAD EXAMIANS APP
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