Engine : Expired / Engineering Safety - 807/275
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| Which of the following pressures represents the normal pressure setting of a pressure-vacuum relief valve as normally found on tank vessels? |
| A) 16.7 psia - 14.2 psia |
| B) 20.7 psia - 14.6 psia |
| C) 18.7 psia - 14.4 psia |
| D) 22.7 psia - 14.7 psia |
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