Engine : Engineering Safety - 806/968
|
|---|
| « Previous Question |
| Pressure-vacuum relief valves on tank vessel cargo tanks should be kept in good working order to prevent __________. |
| A) entry of burning substances |
| B) escape of explosive vapors |
| C) damage to tank boundaries |
| D) oil spillage on deck |
loading answer...
| Comments |
|---|
| There are no comments for this question. |