Deck : Safety - 607/2841
|
|---|
| « Previous Question |
| The atmosphere in a tank is too rich when it is __________. |
| A) in a noncombustible state which can be relied on to occur naturally on a regular basis |
| B) capable of supporting combustion |
| C) incapable of supporting combustion because the hydrocarbon vapor content makes the atmosphere below the LFL (Lower Flammable Level) |
| D) incapable of supporting combustion because the hydrocarbon vapor content makes the atmosphere above the UFL (Upper Flammable Limit) |
loading answer...
| Comments |
|---|
| There are no comments for this question. |