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Chemical Reaction Engineering

Chemical Reaction Engineering
reactant and product streams). The amount of heat to be removed is

5/3 kW
1kW
4kW
2/3 kW

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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/T
Tan hT/tan T
Tan T/T
None of these

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Chemical Reaction Engineering
For identical flow rate and feed composition, X plug flow reactors (PER) in series with a total volume V gives the same conversion as single

PFR of volume V
PFR of volume V/X
CSTR of volume V/X
CSTR of volume V

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Chemical Reaction Engineering
When the density of the reaction mixture is constant in a chemical reaction, the ratio of the mean residence time to space time is

> 1
1
< 1

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Chemical Reaction Engineering
Recycling back of outlet stream to the reactor from an ideal CSTR carrying out a first order liquid phase reaction will result in __________ in conversion.

Increase
Either A or B, depends on the type of reaction
Decrease
No change

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Chemical Reaction Engineering
Which of the following is a controlling factor in very fast heterogeneous reaction?

Temperature
Heat and mass transfer effects
Pressure
Composition of reactant

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MORE MCQ ON Chemical Reaction Engineering

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