Engine_2014 : General Subjects - 950/3524
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| The function of the device illustrated is to __________ . |
| A) control steam input to a heat exchanger |
| B) control condensate output from a heat exchanger |
| C) provide on/off control of drain pump |
| D) provide air purging of low pressure refrigeration or air conditioning systems |
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Illustration GS-0048
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