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單項選擇題

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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單項選擇題

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

單項選擇題

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

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