Indirect cooling of fuel injector nozzle holders for diesel

【名词&注释】

正确答案:B。A.heat conduction into the injected fuel oil B.heat conduction into the water jacket wall C.water circulation through passages in the holder D.fuel oil circulation through passages m the holder 更多海船船员的考试资料下载及答案解析请访问不凡考网职业技能鉴定考试频道。

[单选题]Indirect cooling of fuel injector nozzle holders for diesel engines is accomplished primarily by

A. heat conduction into the injected fuel oil
B. heat conduction into the water jacket wall
C. water circulation through passages in the holder
D. fuel oil circulation through passages m the holder

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举一反三：

[单选题]当船上压载水排放入接收设施时，压载水操作记录薄应记录的内容有：Ⅰ、排放日期、时间Ⅱ、估计排放的数量Ⅲ、排放地点Ⅳ、港口或接收设施Ⅴ、排放压载舱编号Ⅵ、是否实施了压载水管理计划

A. Ⅰ+Ⅱ+Ⅲ+Ⅳ
B. Ⅰ+Ⅱ+Ⅲ+Ⅴ
C. Ⅰ+Ⅱ+Ⅲ+Ⅳ+Ⅵ
D. Ⅰ+Ⅱ+Ⅲ+Ⅳ+Ⅴ+Ⅵ

[单选题]Are stevedores going to open the hatches ________ do we have to?

A. either
B. while
C. or
D. nor

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