航海英語船舶動力裝置單項選擇題每日一練(2019.01.10)

來源：考試資料網(wǎng)

1 A thrust block is designed to（）.

2 What is the effect of heated intake air on a diesel engine? （）

3 On a vessel with a single propeller，transverse force has the most effect on the vessel when the engine is put（）.

4 How does combustion air enter the cylinder of a two-cycle diesel engine?（）

5 Many sheath-screw davits have markings to indicate the maximum angle to which they should be cranked out. If the angle is exceeded，the davit（）.