Chemical Reaction Engineering If the pore diffusion controls in a catalytic reaction, the apparent activation energy Ea is equal to (E + ED)/2 (E + ED) where ED is activation due to diffusion The intrinsic activation energy E ED/2 (E + ED)/2 (E + ED) where ED is activation due to diffusion The intrinsic activation energy E ED/2 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. Data insufficient; can't be predicted Same as Less than More than Data insufficient; can't be predicted Same as Less than More than ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With the same reaction time, initial concentration and feed rate, the reaction 2A → B is carried out separately in CSTR and P.F. reactor of equal volumes. The conversion will be Higher in P.F. reactor Data insufficient; can't be predicted Same in both the reactors Higher in CSTR Higher in P.F. reactor Data insufficient; can't be predicted Same in both the reactors Higher in CSTR ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In an ideal tubular-flow reactor Mixing takes place in radial direction There is a uniform velocity across the radius All of these There is no mixing in longitudinal direction Mixing takes place in radial direction There is a uniform velocity across the radius All of these There is no mixing in longitudinal direction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The excess energy of the reactants required to dissociate into products is known as the __________ energy. Threshold Thermal Activation Binding Threshold Thermal Activation Binding ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reaction A → B is conducted in an isothermal batch reactor. If the conversion of A increases linearly with holding time, then the order of the reaction is 0 1 2 1.5 0 1 2 1.5 ANSWER DOWNLOAD EXAMIANS APP
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