Effectiveness factor (E) of a catalyst pellet is defined as, E = (actual rate within pore of catalyst/rate if notsnowed by pore diffusion) Effectiveness factor for a first order reaction is given by (where, T = Thiele modulus)

Chemical Reaction Engineering
Effectiveness factor (E) of a catalyst pellet is defined as, E = (actual rate within pore of catalyst/rate if notsnowed by pore diffusion) Effectiveness factor for a first order reaction is given by (where, T = Thiele modulus)

Tan T/T

Tan hT/tan T

Tan hT/T

None of these

Tan T/T

Tan hT/tan T

Tan hT/T

None of these

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Chemical Reaction Engineering
Fluid flow in a real packed bed can be approximated as __________ model.

Tank in series

Plug flow

Mixed flow

Dispersion

Tank in series

Plug flow

Mixed flow

Dispersion

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Chemical Reaction Engineering
For the same residence time, which one will give the maximum conversion?

Single tubular flow reactor (v = 5 litres)

Single stirred tank (v = 5 litres)

Two stirred tank (each of 2.5 litres) in series

Stirred tank followed by tubular flow reactor (each of 2.5 litres)

Single tubular flow reactor (v = 5 litres)

Single stirred tank (v = 5 litres)

Two stirred tank (each of 2.5 litres) in series

Stirred tank followed by tubular flow reactor (each of 2.5 litres)

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Chemical Reaction Engineering
The minimum energy required to allow a chemical reaction to proceed is termed as the 'threshold energy '. Chemical reaction with low activation energy are

Always irreversible

Mostly irreversible

Insensitive to temperature changes

Highly temperature sensitive

Always irreversible

Mostly irreversible

Insensitive to temperature changes

Highly temperature sensitive

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Chemical Reaction Engineering
The value of steric factor 'P' in the equation k = PZeE/RT usually ranges from

0.1 to 0.9

L.0 to 10⁻⁸

L.l.to 10²

None of these

0.1 to 0.9

L.0 to 10⁻⁸

L.l.to 10²

None of these

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Chemical Reaction Engineering
In which of the following gaseous phase reversible reactions, the product yield can not be increased by the application of high pressure?

N₂ + O₂ ⇋ 2NO

2SO₂ + O₂ ⇋ 2SO₃

N + 3H₂ ⇋ 2NH₃

PCl3 + Cl₂ ⇋ PCl5

N₂ + O₂ ⇋ 2NO

2SO₂ + O₂ ⇋ 2SO₃

N + 3H₂ ⇋ 2NH₃

PCl3 + Cl₂ ⇋ PCl5

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Chemical Reaction Engineering

Chemical Reaction Engineering Effectiveness factor (E) of a catalyst pellet is defined as, E = (actual rate within pore of catalyst/rate if notsnowed by pore diffusion) Effectiveness factor for a first order reaction is given by (where, T = Thiele modulus)

Chemical Reaction Engineering Fluid flow in a real packed bed can be approximated as __________ model.

Chemical Reaction Engineering For the same residence time, which one will give the maximum conversion?

Chemical Reaction Engineering The minimum energy required to allow a chemical reaction to proceed is termed as the 'threshold energy '. Chemical reaction with low activation energy are

Chemical Reaction Engineering The value of steric factor 'P' in the equation k = PZeE/RT usually ranges from

Chemical Reaction Engineering In which of the following gaseous phase reversible reactions, the product yield can not be increased by the application of high pressure?

Chemical Reaction Engineering
Effectiveness factor (E) of a catalyst pellet is defined as, E = (actual rate within pore of catalyst/rate if notsnowed by pore diffusion) Effectiveness factor for a first order reaction is given by (where, T = Thiele modulus)

Chemical Reaction Engineering
Fluid flow in a real packed bed can be approximated as __________ model.

Chemical Reaction Engineering
For the same residence time, which one will give the maximum conversion?

Chemical Reaction Engineering
The minimum energy required to allow a chemical reaction to proceed is termed as the 'threshold energy '. Chemical reaction with low activation energy are

Chemical Reaction Engineering
The value of steric factor 'P' in the equation k = PZeE/RT usually ranges from

Chemical Reaction Engineering
In which of the following gaseous phase reversible reactions, the product yield can not be increased by the application of high pressure?