单项选择题
A.an injection process B.an ejection process C.a separation process D.a heating process
The oil sump, a light welded design, is mounted on the ...
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
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
