Edward's air pump____________?
Correct answer: D. removes air alongwith vapour and also the condensed water from condenser
- A. removes air and also vapour from condenser
- B. removes only air from condenser
- C. removes only un-condensed vapour from condenser
- D. removes air alongwith vapour and also the condensed water from condenser
Explanation
An Edward's air pump is a wet air pump that removes air together with uncondensed vapour and condensate from the condenser. It therefore performs more than the limited air-only function described in option B.
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