Correct answer
B. Natural draft
Explanation
The correct answer is Natural draft.
During the absorption of HCl gas in water (to produce liquid HCl), the gas is kept above dew point to________?
Reactor used in the production of polyvinyl chloride (PVC) is made of________?
Iron content in Indian iron ore is about ________ percent?
In low temperature carbonisation (as compared to high temperature carbonisation) of coal________?
When a fluid flows over a solid surface, the________?
For a solid catalysed chemical reaction, the effectiveness of solid catalyst depends upon the ________ adsorption?