航海英語(yǔ)貨物裝卸貨作業(yè)單項(xiàng)選擇題每日一練(2019.01.22)

來(lái)源：考試資料網(wǎng)

1 When checking the oxygen content of the cargo tanks prior to loading cargoes requiring vapor recovery，the atmosphere must be sampled（）.

2 The total leg load reactions on an independent leg，self-elevating unit include static and（）.

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

4 The ship is listing too much due to your faulty method in loading operation．You must keep her （）.

5 Official draft measurements should be（）by authorized persons，agreed by both parties involved.