航海英語(yǔ)貨物裝卸貨作業(yè)單項(xiàng)選擇題每日一練(2019.01.07)

來(lái)源：考試資料網(wǎng)

1 Which part provides for transverse control and positioning of a boom in a conventional yard and stay system（）.

2 What is meant by the term“l(fā)uffing the boom”of a crane（）．

3 When（）clean ballast water from any vessel，an application shall be made to Harbor Authorities for approval.

4 The load chart of a ship crane enables the operator to combine the load radius with boom length to determine the（）.

5 The term Loading and unloading Cargo means（）.