Fire in fuel gas pipelines is extinguished most effectively by _________________?

Question: A distillation column separates 10000 kg/hr of a benzene-toluene mixture as shown in the figure below :In the figure xF, xD and xW represent the weight fraction of benzene in the feed, distillate and residue respectively. The reflux ratio is
[A].

0.5

[B].

0.6

[C].

1.0

[D].

2.0

Answer: Option B

Explanation:

No answer description available for this question.

Question: In extractive distillation, solvent is
[A].

added to alter the relative volatility of the mixture.

[B].

of high volatility.

[C].

present in overhead stream.

[D].

of high viscosity to give high tray efficiency.

Answer: Option A

Explanation:

No answer description available for this question.