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| Q. |
What is use of the air pumps in the condenser? |
| A. | Remove water |
| B. | Air leaking in the condenser and to maintain the vacuum. |
| C. | Maintain atmospheric pressure and the condenser. |
| D. | Both (a) & (b). |
| Answer» B. Air leaking in the condenser and to maintain the vacuum. | |
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