10 Chemical Engineering Related Questions and Answers-5

In this article we will discuss about 10 chemical engineering related questions and answers. The following 10 questions are frequently asked to a chemical engineer-

1. Question: What is Membrane?
2. Question: What is Overhead product?
3. Question: What is Pump?
4. Question: What is Scrubber?
5. Question: What is Shaft Work?
6. Question: What is Stack Gas?
7. Question: What is Stripping?
8. Question: What is Vapor Pressure?
9. Question: What is Volume Percent (% v/v)?
10. Question: What is Work?


1. Question: What is Membrane?
(Main Article: Membrane Technology)
Answer: A thin solid or liquid film through which one or more species in a process stream can permeate.

2. Question: What is Overhead product?
Answer: The product that leaves the top of a distillation column. The overhead product is relatively rich in the most volatile components of the feed to the column.

3. Question: What is Pump?
(Main Article: Pump)
Answer: A device used to propel a liquid or slurry from one location to another, usually through a pipe or tube.

4. Question: What is Scrubber?
Answer: An absorption column designed to remove an undesirable component from a gas stream.

5. Question: What is Shaft Work?
Answer: All work transferred between a continuous system and its surroundings other than that done by or on the process fluid at the system entrance and exit.

6. Question: What is Stack Gas?
Answer: The gaseous products exiting from a combustion furnace.

7. Question: What is Stripping?
Answer: A process in which a liquid containing a dissolved gas flows down a column and a gas (Stripping Gas ) flows up the column at conditions such that the dissolved gas comes out of solution and is carried off with the stripping gas.

8. Question: What is Vapor Pressure?
Answer: The pressure at which pure liquid A can coexist with its vapor at a given temperature.

9. Question: What is Volume Percent (% v/v)?
Answer: For liquid mixtures, the percentage of the total volume occupied by a particular component; for ideal gases, the same as mole percent. For nonideal gases, the volume percent has no meaningful physical significance.

10. Question: What is Work?
Answer: Energy transferred between a system and its surroundings as a consequence of motion against a restraining force, electricity or radiation, or any other driving force except a temperature difference.

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