The blocking or absence of fire dampers can cause().
- Athe accumulation of explosive gases
- Bfaster cooling of the fire
- Cthe fire to spread through the ventilation system
- Dfixed foam systems to be ineffective
The blocking or absence of fire dampers can cause().
1、The function of damper windings in a s
The function of damper windings in a synchronous motor is to ().Aeliminate slippageBprovide excitationCprovide starting torqueDincrease efficiency
In the absence of shared storage between cluster nodes, which two actions can you ...
3、Fire dampers prevent the fire spreadin
Fire dampers prevent the fire spreading through the process of ().AconvectionBconductionCradiationDdirect contact
4、In the absence of a route leading from
In the absence of a route leading from seaward,the conventional direction of buoyage generally follows().Aan anti-clockwise direction around lan...
5、In the absence of external forces,the
In the absence of external forces,the center of buoyancy of an inclined vessel is vertically aligned directly below the().Acenter of gravityBamidships stationCcenter of flotationDgeometric center of the waterplane area
6、Fire dampers prevent the spread of fir
Fire dampers prevent the spread of fire by().AconvectionBconductionCradiationDdirect contact