At a given value of E/R (ratio of activation energy and gas constant), the ratio of the rate constants at 500°K and 400°K is 2, if Arrhenious law is used. What will be this ratio, if transition state theory is used with the same value of E/R?

Chemical Reaction Engineering
At a given value of E/R (ratio of activation energy and gas constant), the ratio of the rate constants at 500°K and 400°K is 2, if Arrhenious law is used. What will be this ratio, if transition state theory is used with the same value of E/R?

2.5

2

2.24

1.6

2.5

2

2.24

1.6

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Chemical Reaction Engineering
An autothermal reactor is

Most suitable for a reversible reaction

Isothermal in nature

Most suitable for a second order reaction

Completely self-supporting in its thermal energy requirements

Most suitable for a reversible reaction

Isothermal in nature

Most suitable for a second order reaction

Completely self-supporting in its thermal energy requirements

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Chemical Reaction Engineering
__________ is the response curve for a step input signal from a reactor.

C-curve

I-curve

S-curve

None of these

C-curve

I-curve

S-curve

None of these

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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 hT/tan T

Tan hT/T

Tan T/T

None of these

Tan hT/tan T

Tan hT/T

Tan T/T

None of these

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Chemical Reaction Engineering
A catalyst loses its activity due to

Covering of the catalytic active sites by a foregin substance

Agglomeration of metal particles caused by thermal sintering of the solid surface

All of these

Loss in surface area of the active component

Covering of the catalytic active sites by a foregin substance

Agglomeration of metal particles caused by thermal sintering of the solid surface

All of these

Loss in surface area of the active component

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Chemical Reaction Engineering
The sequence in which three CSTR's of volumes 5, 10 and 15 m³ will be connected in series to obtain the maximum production in a second order irreversible reaction is

5, 10, 15

10, 15, 5

10, 5, 15

15, 10, 5

5, 10, 15

10, 15, 5

10, 5, 15

15, 10, 5

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Chemical Reaction Engineering

Chemical Reaction Engineering At a given value of E/R (ratio of activation energy and gas constant), the ratio of the rate constants at 500°K and 400°K is 2, if Arrhenious law is used. What will be this ratio, if transition state theory is used with the same value of E/R?

Chemical Reaction Engineering An autothermal reactor is

Chemical Reaction Engineering __________ is the response curve for a step input signal from a reactor.

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 A catalyst loses its activity due to

Chemical Reaction Engineering The sequence in which three CSTR's of volumes 5, 10 and 15 m³ will be connected in series to obtain the maximum production in a second order irreversible reaction is

Chemical Reaction Engineering
At a given value of E/R (ratio of activation energy and gas constant), the ratio of the rate constants at 500°K and 400°K is 2, if Arrhenious law is used. What will be this ratio, if transition state theory is used with the same value of E/R?

Chemical Reaction Engineering
An autothermal reactor is

Chemical Reaction Engineering
__________ is the response curve for a step input signal from a reactor.

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
A catalyst loses its activity due to

Chemical Reaction Engineering
The sequence in which three CSTR's of volumes 5, 10 and 15 m³ will be connected in series to obtain the maximum production in a second order irreversible reaction is