The cooling section in the surface condenser__________?
Correct answer: B. reduces the quantity of vapour extracted along with air
- A. increases the quantity of vapour extracted along with air
- B. reduces the quantity of vapour extracted along with air
- C. does not affect vapour quantity extracted but reduces pump capacity of air extraction pump
- D. none of the above
Explanation
The cooling section condenses much of the vapour mixed with the extracted air before it reaches the air pump. Consequently, the quantity of vapour carried out with the air is reduced.
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