Engine : Refrigeration AC - 999/610
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| To prevent the unnecessary loading of an air conditioning system while maintaining the designed dry bulb temperature and relative humidity in an air conditioning system, what should be done? |
| A) reduce the air reheating system load |
| B) lower the compressor head pressure |
| C) operate the purge recovery unit continuously |
| D) admit only enough fresh outside air to provide proper ventilation |
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