To remedy a leaking fire hose connection at the hydrant,secure the valve and().
- Areplace the gasket in the male coupling
- Breduce fire pump pressure
- Creplace the gasket in the female coupling
- Drethread the male coupling
To remedy a leaking fire hose connection at the hydrant,secure the valve and().
1、When two fire hose teams are attacking
When two fire hose teams are attacking a fire they should().Ause different fire hose pressuresBuse fire hoses of different sizesCnot attack the fire from opposite sidesDnot wear protective clothing
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、Each fire hose coupling on a ship must
Each fire hose coupling on a ship must have threads that meet the specifications of the().AAmerican Petroleum InstituteBNational Standard Firehose CouplingCAmerican Society of Mechanical EngineersDUnderwriter's Laboratories,Inc
4、To determine if a C02 fire extinguishe
To determine if a C02 fire extinguisher is fully charged, you would().Aoperate the trigger valveBweigh the extinguisherCtest with a pressure gaugeDread the date of last test
5、In the event of a fire, the doors to a
In the event of a fire, the doors to a stair tower must be closed to prevent the spread of fire by ().AconvectionBconductionCradiationDventilatio
6、To operate a centrifugal fire pump at
To operate a centrifugal fire pump at reduced capacity, you should ().Areadjust the relief valveBthrottle the suction lineCthrottle the discharge valveDopen the priming line