When the tail-shaft is drawn from a vessel in dry-dock, which of the following inspections is required to be carried out?（）
1、Our house is about a mile from the rai
Our house is about a mile from the railway station and there are not many houses（）.Ain betweenBfar apartCamong themDfrom each other
2、When the dock is refilled with water a
When the dock is refilled with water after docking repair, the first work which should be done by engineers is （）Aigniting boilerBreleasing air in sea water systemCstarting generatorDcut off shore power
3、When a clarifier is running the impuri
When a clarifier is running the impurities and water collect at the bowl （）.AcenterBperipheryCinletDupper part
4、In a diesel engine, when the fuel is i
In a diesel engine, when the fuel is injected into the cylinder,（）Athe piston is just coming upward from the bottom dead centerBthe piston h...
5、The oil is drawn from a drain tank thr
The oil is drawn from a drain tank through （）, one of a pair of pumps, into one of fine filters.Aa strain tankBa head tankCa service tankDa strainer
6、When a boiler is operating, the water
When a boiler is operating, the water level in the gauge glass reads （） when the boiler is shut down.Alower thanBhigher thanCas much asDthe same a