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全部科目 > 水路交通运输技能考试 > 海船船员考试 > 船舶管理(轮机专业) > 轮机英语 > 船舶电气与船舶安全

单项选择题

The oil sump, a light welded design, is mounted on the engine block from below and sealed by （）

A.O-ring
B.gasket
C.washer
D.packing

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单项选择题
The air required for combustion is taken from the engine room through a filter fitted on the turbochargerThis reduces the risk for too and contamination of the combustion air（）

A.high temperatures
B.low temperatures
C.wet
D.dirty
单项选择题
Engines, which are to be run in parallel have governors specially adapted for the same（）, about 4% to obtain basic load sharing.

A.speed settings
B.speed droops
C.speed drops
D.speed changes
单项选择题
Governors are equipped with motors for synchronizing, load sharing and frequency control（）

A.speed setting
B.load setting
C.speed changing
D.load changing
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