Chemical Reaction Engineering Rate determining step in a reaction consisting of a number of steps in series is the __________ step. Slowest Intermediate Fastest Data insufficient; can't be predicted Slowest Intermediate Fastest Data insufficient; can't be predicted 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 Proportional to the square of Independent of Inversely proportional to Proportional to Proportional to the square of Independent of Inversely proportional to ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The time needed to achieve the same fractional conversion for particles of different sizes (d) when chemical reaction controls, is proportional to √d D2 D D1.5 √d D2 D D1.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following will give maximum gas conversion? Plug-flow catalytic reactor Semi-fluidised bed reactor Fixed bed reactor Fluidised bed reactor Plug-flow catalytic reactor Semi-fluidised bed reactor Fixed bed reactor Fluidised bed reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A batch reactor suffers from following disadvantage. All of these High labour and handling cost High shutdown time requirement for emptying, cleaning and refilling Poor product quality control All of these High labour and handling cost High shutdown time requirement for emptying, cleaning and refilling Poor product quality control ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In which of the following reactions, thee-quilibrium will shift to the right, if the total pressure is increased? H₂ + I₂ ⇋ 2HI H₂ + Cl₂ ⇋ 2HCl N₂ + O₂ ⇋ 2NO N₂O₄ ⇋ 2 NO₂ H₂ + I₂ ⇋ 2HI H₂ + Cl₂ ⇋ 2HCl N₂ + O₂ ⇋ 2NO N₂O₄ ⇋ 2 NO₂ ANSWER DOWNLOAD EXAMIANS APP
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