Chemical Engineering - Stoichiometry

31. 

In a chemical process, the recycle stream is purged for

A. increasing the product yield.
B. enriching the product.
C. limiting the inerts.
D. heat conservation.

Answer: Option C

Explanation:

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32. 

The viscosity of water at room temperature may be around one

A. centipoise
B. poise
C. stoke
D. both (b) &(c)

Answer: Option A

Explanation:

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33. 

A flowsheet is given in the following figure:

If the single pass once through conversion of A to B is 20%, then the rate of recycle R (molds/hr) is

A. 300
B. 400
C. 500
D. 600

Answer: Option C

Explanation:

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34. 

The heat capacity of most substances is greater for the __________ state.

A. solid
B. liquid
C. gaseous
D. none of these

Answer: Option B

Explanation:

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35. 

The temperature at which real gases obey the ideal gas law over a wide range of pressure is called the __________ temperature.

A. reduced
B. Boyle
C. critical
D. inversion

Answer: Option D

Explanation:

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