Chemical Engineering - Chemical Reaction Engineering

1. 

The conversion for a first order liquid phase reaction. A B in a CSTR is 50%. If another CSTR of the same volume is connected in series, then the % conversion at the exit of the second reactor will be

A. 60
B. 75
C. 90
D. 100

Answer: Option B

Explanation:

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2. 

What is the dispersion number for a CSTR?

A. 0
B. 1
C. < 1
D.

Answer: Option D

Explanation:

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3. 

Rate of a chemical reaction is independent of the concentration of the reactants for a __________ reaction.

A. zero order
B. third order
C. consecutive
D. none of these

Answer: Option A

Explanation:

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4. 

With increase in temperature, the rate constant obeying Arhenious equation

A. increases.
B. decreases.
C. decreases exponentially.
D. can either increase or decrease ; depends on the frequency factor.

Answer: Option C

Explanation:

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5. 

Bulk diffusion in catalyst pore __________ with increase in pressure.

A. increases
B. decreases
C. remains unchanged
D. increases exponentially

Answer: Option B

Explanation:

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