Engine_2014 : Motor Plants and Auxiliary Boilers - 2302/2614
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| The purpose of the programmed purge cycle on an automatically fired auxiliary boiler is to __________ . |
| A) cool the furnace to prevent preignition |
| B) remove explosive vapors from the furnace |
| C) evaporate accumulated unburned fuel oil |
| D) provide sufficient air in the furnace to allow ignition of the fuel |
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