Due to excessive water in the fuel, a

1、Due to lapse of time the risk in these

Due to lapse of time the risk in these areas to surface navigation is now considered （）than the ordinary risks of navigation，but a very re...

2、Air in the fuel lines to the fuel inje

Air in the fuel lines to the fuel injection nozzles of a diesel engine will cause the engine to （）Aburn excessive amounts of lube oilBoverheat without smokingCoperate with reduce power or stopDrun away without load

3、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

4、If you have to jump in the water when

If you have to jump in the water when abandoning a vessel，your legs should be（）.Aspread apart as far as possibleBheld as tightly against your chest as possibleCin a kneeling positionDextended straight down and crossed at the ankle

5、If there is water in fuel oil, the rev

If there is water in fuel oil, the revolution of the engine will （）.AdecreaseBincreaseCbe dismantledDbe reassembled

6、Water in the fuel can prevent the engi

Water in the fuel can prevent the engine from starting, prevent it from developing full power, or （）Arun at an irregular speedBcreate high lube oil temperatureCcause the engine to over-speedDcause blue smoke in the exhaust