单项选择题
A.Oil level B.Flow of cooling water C.Exhaust discharge D.All of the above
All marine low-speed diesels are of what design?（）A.Fou...
单项选择题All marine low-speed diesels are of what design?（）
A.Four-stroke B.Two-stroke C.Electronic ignition D.Forced exhaust
All diesel engines are classified as（）.A.four cycleB.co...
单项选择题All diesel engines are classified as（）.
A.four cycle B.compression ignition C.vacuum ignition D.external combustion
A VLCC (100，000 DWT+) with a 30，000 Shaft Horsepower St...
单项选择题A VLCC (100，000 DWT+) with a 30，000 Shaft Horsepower Steam Turbine is slow to respond to engine movements and has less stopping power than normal ships because it has a（）.
A.bigger propeller B.smaller power weight ratio C.smaller propeller D.larger power weight ratio
