單項選擇題

Why a gearbox is needed in a ship driven by a medium-speed diesel engine?（）

A.To reduce the main engine speed
B.To increase the main engine speed
C.To govern the main engine speed
D.To fix the propeller shaft

你可能感興趣的試題

單項選擇題

Which one is not true?（）

A.Two main areas of skill are involved in the construction of ship
B.There are distinct divisions in responsibilities between naval architects and marine engineers
C.Each ship will assume varying proportions according to its type
D.Ships can be divided into different categories from different perspectives

單項選擇題

The displacement of a ship is to the total weight, all told, of the relevant loaded ship（）

A.larger
B.equal
C.smaller
D.equivalent

99色精品-9色在线-99色在线-99色视频 国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

Why a gearbox is needed in a ship driven by a medium-speed diesel engine?（）

你可能感興趣的試題

Which one is not true?（）

The displacement of a ship is to the total weight, all told, of the relevant loaded ship（）

99色精品-9色在线-99色在线-99色视频国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精