Engine : Engineering Safety - 379/968
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| To avoid excessive electrostatic effect in the crude oil washing process, due to the presence of water in the crude oil washing fluid, the contents of any tank to be used as a source of crude oil for washing must first reduce a portion of the tank contents by a vertical height equal to __________. |
| A) one-half meter |
| B) one meter |
| C) one and one-half meters |
| D) two meters |
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