For the non-catalytic reaction of particles with surrounding fluid, the time needed to achieve the same fractional conversion for particles of different but unchanging sizes is proportional to the square of particle diameter, when the __________ is the controlling resistance.

Chemical Reaction Engineering
For the non-catalytic reaction of particles with surrounding fluid, the time needed to achieve the same fractional conversion for particles of different but unchanging sizes is proportional to the square of particle diameter, when the __________ is the controlling resistance.

Chemical reaction

Film diffusion

Diffusion through ash layer

Either A, B or C

Chemical reaction

Film diffusion

Diffusion through ash layer

Either A, B or C

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Chemical Reaction Engineering
Participation of __________ is involved in the occurrence of a chemical reaction.

Electrons

Neutrons

None of these

Protons

Electrons

Neutrons

None of these

Protons

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Chemical Reaction Engineering
For nearly isothermal operation involving large reaction time in a liquid-phase reaction, the most suitable reactor is a __________ reactor.

Tubular flow

Fixed bed

Stirred tank

Batch

Tubular flow

Fixed bed

Stirred tank

Batch

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Chemical Reaction Engineering
For all positive reaction orders for a particular duty,

Ratio of the volume of the mixed reactor to that of the plug-flow reactor decreases with order

Mixed reactor is always larger than the plug-flow reactor

Density variation during reaction affects design

Reactor size is independent of the type of flow

Ratio of the volume of the mixed reactor to that of the plug-flow reactor decreases with order

Mixed reactor is always larger than the plug-flow reactor

Density variation during reaction affects design

Reactor size is independent of the type of flow

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Chemical Reaction Engineering
Which of the following is not a theory of homogeneous reaction?

Collision theory and activated complex theory

Chain reaction theory

None of these

Radiation hypothesis

Collision theory and activated complex theory

Chain reaction theory

None of these

Radiation hypothesis

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Chemical Reaction Engineering
An irreversible first order reaction is being carried out in a CSTR and PFR of same volume. The liquid flow rates are same. The relative conversion will

Be more in PFR than in CSTR

Be same in both cases

Depend on the temperature

Be more in CSTR than in PFR

Be more in PFR than in CSTR

Be same in both cases

Depend on the temperature

Be more in CSTR than in PFR

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Chemical Reaction Engineering

Chemical Reaction Engineering Participation of __________ is involved in the occurrence of a chemical reaction.

Chemical Reaction Engineering For nearly isothermal operation involving large reaction time in a liquid-phase reaction, the most suitable reactor is a __________ reactor.

Chemical Reaction Engineering For all positive reaction orders for a particular duty,

Chemical Reaction Engineering Which of the following is not a theory of homogeneous reaction?

Chemical Reaction Engineering An irreversible first order reaction is being carried out in a CSTR and PFR of same volume. The liquid flow rates are same. The relative conversion will

Chemical Reaction Engineering
Participation of __________ is involved in the occurrence of a chemical reaction.

Chemical Reaction Engineering
For nearly isothermal operation involving large reaction time in a liquid-phase reaction, the most suitable reactor is a __________ reactor.

Chemical Reaction Engineering
For all positive reaction orders for a particular duty,

Chemical Reaction Engineering
Which of the following is not a theory of homogeneous reaction?

Chemical Reaction Engineering
An irreversible first order reaction is being carried out in a CSTR and PFR of same volume. The liquid flow rates are same. The relative conversion will