Engine_2014 : General Subjects - 2834/3524
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| The device shown in the illustration is typically designed to operate in conjunction with a pneumatically controlled valve in order to maintain __________ . |
| A) relatively constant liquid tank levels |
| B) steam flow rates |
| C) flow rates as a square root extractor |
| D) constant pump-head pressures |
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Illustration GS-0052
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