An excessive amount of water is prevented from entering a vessel using a water lubricated stern tube bearing by the use of the ().
- Apropeller hub
- Blignum vitae
- Cshaft packing
- Dlabyrinth seal
An excessive amount of water is prevented from entering a vessel using a water lubricated stern tube bearing by the use of the ().
1、An oil water monitor is required in or
An oil water monitor is required in order to measure ().Athe oil content in waterBthe water content in fuel oilCthe water level in bilge wellDthe oil level in bilge well
2、Excessive alkalinity of the water in a
Excessive alkalinity of the water in an auxiliary boiler can cause ().Acaustic embrittlement of the boiler metalBacidic corrosion of the boiler metalChard scale deposits on the boiler tubesDetching of the heat exchange surface
3、An oil in water monitor is required in
An oil in water monitor is required in order to measure ().Athe oil content in waterBthe water content in fuel oilCthe water level in bilge wellDthe oil level in bilge well
4、The ()is fitted on an oily water separ
The ()is fitted on an oily water separator.Asliding bowl bottomBgravity discCbowlDliquid level detector
5、Excessive vibration of an automaticall
Excessive vibration of an automatically fired auxiliary boiler can be caused by ()Aair or water in the furnaceBcombustion pulsesCfuel oil pump failureDflame failure
6、An ocean tow is sinking in deep water.
An ocean tow is sinking in deep water. Attempts to sever the towing hawser are unsuccessful. Which action should now be taken? ()AAbandon th...