Flame screens are used to().
- Acontain flammable fumes
- Bprotect firefighters from flames
- Cprevent flames from entering tanks
- Dkeep flames and sparks from getting out of an engine's exhaust system
Flame screens are used to().
1、Oil water separators are used to ensur
Oil water separators are used to ensure that ships don’t discharge oil when () bilge water.Ato pump offBbeing pumpedCpumping outDit pumping out
2、The exhaust boilers are used to recove
The exhaust boilers are used to recover some of () carried in the exhaust gas from the main engine.AwaterBoilCheatDsteam
3、Logbooks are used to record the events
Logbooks are used to record the events occurring when().Athe ship is in a harborBthe ship is at anchorageCthe ship is underwayDall of the above
4、()are used to digest the sewage to pro
()are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.Aanaerobic bacteriaBaerobic bacteriaCair bubblesDdisinfection chemical
5、You are using tracing to diagnose run
You are using tracing to diagnose run-time issues.When you look at the traces for the service in SvcTraceViewer.exe,you see what is shown in t...
6、In a hydraulic system, () are used to
In a hydraulic system, () are used to protect the system from over pressure.Astop valvesBcheck valvesCsafety valvesDreducing valve