Chemical Reaction Engineering Radioactive decay follows __________ order kinetics. First Second Zero Third First Second Zero Third ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A chemical reaction is of zero order, when the reaction rate is (where, CA = concentration of reactant) ∝ 1/CA None of these ∝ CA Independent of temperature ∝ 1/CA None of these ∝ CA Independent of temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Overall rate of reaction in a heterogenous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually __________ the concentration of catalyst, if it does not entail a chain mechanism. Proportional to the square of Inversely proportional to Proportional to Independent of Proportional to the square of Inversely proportional to Proportional to Independent of ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Velocity of a chemical reaction Increases with increase of pressure of reactants for all reactions Decreases with increase of reactant concentration None of these Decreases with increase in temperature Increases with increase of pressure of reactants for all reactions Decreases with increase of reactant concentration None of these Decreases with increase in temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An isothermal aqueous phase reversible reaction, P ⇋ R, is to be carried out in a mixed flow reactor. The reaction rate in k.mole/m³ .h is given by, r = 0.5CP - 0.125CR. A stream containing only P enters the 1.33 0.80 1.60 2.67 1.33 0.80 1.60 2.67 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In an ideal mixed reactor (at steady state), the Composition throughout the reactor remains same Space time is equivalent to holding time for constant density systems Exit stream has the same composition as the fluid within the reactor All of these Composition throughout the reactor remains same Space time is equivalent to holding time for constant density systems Exit stream has the same composition as the fluid within the reactor All of these ANSWER DOWNLOAD EXAMIANS APP
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