Chemical Reaction Engineering If Thiele modulus is __________ , then the pore diffusion resistance in a catalyst may be considered as negligible. ∞ < 0.5 > 0.5 0 ∞ < 0.5 > 0.5 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a first order reaction, the time required to reduce the concentration of reactant from 1 mole/litre to 0.5 mole/litre will be __________ that required to reduce it from 10 moles/litre to 5 moles/litre in the same volume. More than Less than Data insufficient; can't be predicted Same as More than Less than Data insufficient; can't be predicted Same as ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following resistances is not involved in a gas phase catalytic (gas- solid) reaction? Surface phenomenon resistance Ash resistance Gas film and pore surface diffusion resistances for reactants Gas film and pore surface diffusion resistances for products Surface phenomenon resistance Ash resistance Gas film and pore surface diffusion resistances for reactants Gas film and pore surface diffusion resistances for products ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A high space velocity means that a given Reaction can be accomplished with small reactor None of these Both A and B Conversion can be obtained with a high feed rate Reaction can be accomplished with small reactor None of these Both A and B Conversion can be obtained with a high feed rate ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate constant of a chemical reaction decreases by decreasing the Concentration of reactants Duration of reaction Pressure Temperature Concentration of reactants Duration of reaction Pressure Temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For nearly isothermal operation involving large reaction time in a liquid-phase reaction, the most suitable reactor is a __________ reactor. Fixed bed Stirred tank Batch Tubular flow Fixed bed Stirred tank Batch Tubular flow ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS