You should not divide the fresh water（

1、In a domestic fresh water system, the

In a domestic fresh water system, the pump starters are controlled by （） switches which operate when the pressure in the tank varies within predetermined limits as water is drawn off.Awater levelBwater flowCtemperatureDpressure

2、When you notice oil on the water near

When you notice oil on the water near your vessel while taking on fuel, you should FIRST （）.Astop loadingBnotify the senior deck officerCnotify the terminal superintendentDdetermine whether your vessel is the source

3、Which of the following should not be p

Which of the following should not be paid attetion to as to accommodation for seafarers?（）AThe size of rooms and other accommodation spacesBcommunicationCHeating and ventilationDNoise and vibration and other ambient factor

4、（） water is more expensive than fresh

（） water is more expensive than fresh water It has high specific heat and low viscosity.ADistilledBDistillingCBoilingDBoiled

5、The crank-room cover should not be ope

The crank-room cover should not be opened until at least （） minutes after the engine stops.AoneBfifteenCsixtyDninety

6、Fresh water is used for the cooling of

Fresh water is used for the cooling of cylinder jackets and （） of the marine diesel engine.Acylinder coversBlubricating spaceCcrossheadDexhaust manifold