Chemical Reaction Engineering Which of the following resistances is not involved in a gas phase catalytic (gas- solid) reaction? Gas film and pore surface diffusion resistances for products Ash resistance Gas film and pore surface diffusion resistances for reactants Surface phenomenon resistance Gas film and pore surface diffusion resistances for products Ash resistance Gas film and pore surface diffusion resistances for reactants Surface phenomenon resistance 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 √d D2 D1.5 D √d D2 D1.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the chemical reaction P → Q, it is found that the rate of reaction doubles as the concentration of 'P' is doubled. If the reaction rate is proportional to Cpn, then what is the value of 'n' for this chemical reaction 1 3 2 1 3 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering __________ is the controlling step in a highly temperature sensitive fluid-solid non-catalytic reaction. Ash diffusion Gas film diffusion Chemical reaction None of these Ash diffusion Gas film diffusion Chemical reaction None of these ANSWER DOWNLOAD EXAMIANS APP
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 0.693τ 2τ 0.5τ τ/0.693 0.693τ 2τ 0.5τ τ/0.693 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of calcination of limestone, CaCO₃ CaO + CO₂, the addition of more of CaO will result in __________ in the concentration of CO₂. Decrease No change Unpredictable from the data Increase Decrease No change Unpredictable from the data Increase ANSWER DOWNLOAD EXAMIANS APP
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