单项选择题
The purpose of treating the cooling water of the diesel engine is to（） Ⅰ. resist the scale formation in the cooling chamber Ⅱ.lubricate the engine part Ⅲ.increase thermal capacity Ⅳ.resist corrosion
A.Ⅰ+Ⅱ B.Ⅱ+Ⅲ C.Ⅲ+Ⅳ D.Ⅰ+Ⅳ
When the ship, its main propulsion device equipped with...
单项选择题When the ship, its main propulsion device equipped with clutch, arrived at the port and finished with the engine, the correct operation should be（）
A.disengaging the clutch firstly, then stopping the main engine B.stopping the main engine firstly, then disengaging the clutch C.stopping the cooling water pump firstly, then stopping the main engine D.stopping the main engine and disengaging the clutch at the same time
During the watch keeping at sea, the engineer in charge...
单项选择题During the watch keeping at sea, the engineer in charge should notify in the event of any serious occurrence or a situation where he is unsure of the action to take（）
A.the master B.the chief engineer C.the bridge D.the company superintendent
Before engaging the turning gear and turning the diesel...
单项选择题Before engaging the turning gear and turning the diesel engine, which of the following operation should be done except（）
A.open the indicator cocks B.supply some CYL Oil to cylinder liner wall with lubricator (only for two stoke diesel engine) C.put the fuel handle in the “stop” position D.pump up the air bottle
