Water fog from an all-purpose nozzle may be used to().
- Afight an electrical fire
- Bfight a magnesium fire
- Celiminate smoke from a compartment
- DAll of the above
Water fog from an all-purpose nozzle may be used to().
1、Approaching an anchorage in fog,you he
Approaching an anchorage in fog,you hear one short,one prolonged,and one short blast in that sequence on a ship’s whistle. This indicates(...
2、An instrument useful in predicting fog
An instrument useful in predicting fog is the().Asling psychrometerBmicrobarographCanemometerDaneroid barometer
3、To()sanitary water from any vessel,an
To()sanitary water from any vessel,an application shall be made to Harbor Authorities for approval.AdischargeBrecircleCloadDtake i
4、The distance from the still water leve
The distance from the still water level (corrected for tides and storm surge) to the bottom of the hull of a ship is the().Aair gapBfreeboardCpenetrationDwater depth
5、One advantage of the all-purpose nozzl
One advantage of the all-purpose nozzle is that it().Acan fit any size hoseBconverts a stream of water into a fogCincreases the amount of water reaching the fireDcan spray two streams of water at the same time
6、When()clean ballast water from any ves
When()clean ballast water from any vessel,an application shall be made to Harbor Authorities for approval.AdischargingBrecirclingCloadingDtaking i