單項(xiàng)選擇題

Before starting any diesel or gasoline engine，which of the following must be checked? （）

A.Oil level
B.Flow of cooling water
C.Exhaust discharge
D.All of the above

你可能感興趣的試題

單項(xiàng)選擇題

All marine low-speed diesels are of what design?（）

A.Four-stroke
B.Two-stroke
C.Electronic ignition
D.Forced exhaust

單項(xiàng)選擇題

All diesel engines are classified as（）.

A.four cycle
B.compression ignition
C.vacuum ignition
D.external combustion