A first order reaction is to be treated in a series of two mixed reactors. The total volume of the two reactors is minimum, when the reactors are

Chemical Reaction Engineering
A first order reaction is to be treated in a series of two mixed reactors. The total volume of the two reactors is minimum, when the reactors are

Equal in size

Of different sizes

Of such size that the ratio of their volumes is < 5

None of these

Equal in size

Of different sizes

Of such size that the ratio of their volumes is < 5

None of these

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Chemical Reaction Engineering
Calcination reaction of limestone (CaCO₃ → CaO + CO₂) goes to completion in the rotary kiln, because

Of high calcination temperature

CaO is not dissociated

CaO is more stable than CaCO₃

CO₂ escapes continuously

Of high calcination temperature

CaO is not dissociated

CaO is more stable than CaCO₃

CO₂ escapes continuously

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Chemical Reaction Engineering
In an ideal tubular-flow reactor

There is no mixing in longitudinal direction

There is a uniform velocity across the radius

All of these

Mixing takes place in radial direction

There is no mixing in longitudinal direction

There is a uniform velocity across the radius

All of these

Mixing takes place in radial direction

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Chemical Reaction Engineering
When the reaction occurs in the diffusion controlled region, the apparent activation energy as measured is only __________ the true value.

None of these

Twice

Equal

Half

None of these

Twice

Equal

Half

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Chemical Reaction Engineering
The reaction in which the rate equation corresponds to a stoichiometric equation, is called a/an __________ reaction.

Parallel

Non-elementary

Elementary

Autokinetic

Parallel

Non-elementary

Elementary

Autokinetic

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Chemical Reaction Engineering
Which one is the rate controlling step in a solid-gas non-catalytic reaction occurring at very high temperature?

Chemical reaction

Film diffusion

Pore diffusion

Ash layer diffusion

Chemical reaction

Film diffusion

Pore diffusion

Ash layer diffusion

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Chemical Reaction Engineering

Chemical Reaction Engineering A first order reaction is to be treated in a series of two mixed reactors. The total volume of the two reactors is minimum, when the reactors are

Chemical Reaction Engineering Calcination reaction of limestone (CaCO₃ → CaO + CO₂) goes to completion in the rotary kiln, because

Chemical Reaction Engineering In an ideal tubular-flow reactor

Chemical Reaction Engineering When the reaction occurs in the diffusion controlled region, the apparent activation energy as measured is only __________ the true value.

Chemical Reaction Engineering The reaction in which the rate equation corresponds to a stoichiometric equation, is called a/an __________ reaction.

Chemical Reaction Engineering Which one is the rate controlling step in a solid-gas non-catalytic reaction occurring at very high temperature?

Chemical Reaction Engineering
A first order reaction is to be treated in a series of two mixed reactors. The total volume of the two reactors is minimum, when the reactors are

Chemical Reaction Engineering
Calcination reaction of limestone (CaCO₃ → CaO + CO₂) goes to completion in the rotary kiln, because

Chemical Reaction Engineering
In an ideal tubular-flow reactor

Chemical Reaction Engineering
When the reaction occurs in the diffusion controlled region, the apparent activation energy as measured is only __________ the true value.

Chemical Reaction Engineering
The reaction in which the rate equation corresponds to a stoichiometric equation, is called a/an __________ reaction.

Chemical Reaction Engineering
Which one is the rate controlling step in a solid-gas non-catalytic reaction occurring at very high temperature?