For use as protection from gas leaking from a refrigeration unit,each ship must be equipped with a().
- Aportable ventilation system
- Bflame safety lamp
- Cself-contained breathing apparatus
- Dgas mask
For use as protection from gas leaking from a refrigeration unit,each ship must be equipped with a().
1、What protection method is used in 4F B
What protection method is used in 4F BLSR networks?()A Each fiber has half of its SONET capacity reserved for protection.B Two fibers in the...
2、To prevent a wooden hull from leaking
To prevent a wooden hull from leaking you caulk it().Aafter drydocking,while the hull is moistBafter drydocking,and the hull has driedCafloat,where it is leakingDafloat,in all accessible area
3、Fire protection regulations for towing
Fire protection regulations for towing vessels require all crew members to know how to perform each of these tasks EXCEPT().Astart the mechani...
4、Fire protection regulations for towing
Fire protection regulations for towing vessels require any fuel line subject to internal head pressure from fuel in the tank to().Abe fitted ...
5、Which oil is not suitable for use as s
Which oil is not suitable for use as storm oil?()AFish oilBVegetable oilCMineral oilDAnimal oil
6、Flames from small leaks of LFG may be
Flames from small leaks of LFG may be extinguished by().Autilizing carbon dioxide or dry chemical fire extinguishersButilizing soda and acid fire extinguishersCblowing the flames outDletting it burn itself out