单项选择题
A.O-ring B.gasket C.washer D.packing
The air required for combustion is taken from the engin...
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
Engines, which are to be run in parallel have governors...
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
Governors are equipped with motors for synchronizing, l...
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
