航海英語貨物裝卸貨作業(yè)單項(xiàng)選擇題每日一練(2019.01.23)

來源：考試資料網(wǎng)

1 The tricing pendants should be released（）.

2 Stop（）the derrick at once，the gooseneck is bent.

3 Which method should be used to warm up the pump turbines prior to discharge（）.

4 When a cargo boom or crane is rated at varying capacities，there will be a table at the controls which relates safe working load to（）.

5 How should you signal the crane operator to lower the boom and raise the load（）.