Injectors for use with heavy fuel oil must be cooled by either water or light oil to ()
为了保证船舶航行安全,首先要确定船舶的航向与位置。船舶定位方法按照参照目标可分为( )。
下列关于船舶安全检查的说法中,正确的是()。
Ⅰ、船舶接受安全检查时,陪同检查的船员引导检查人员即可
Ⅱ、船舶接受安全检查时,陪同检查的船员应按检查人员要求,调试、操纵有关设备
Ⅲ、中国籍船舶接受安全检查时出示船舶安全检查记录簿
When fuel oil is accidentally missed with lube oil which of the following processes can be used to separate them?()
Ⅰ.filtering
Ⅱ.settling
When centrifuging heavy fuel oil, an important factor to consider is the ()
(1) flow rate
(2) viscosity of the fuel oil
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