航海英語(yǔ)救生作業(yè)單項(xiàng)選擇題每日一練(2019.01.24)

來源：考試資料網(wǎng)

1 If your vessel is equipped with inflatable liferafts，how should they be maintained?（）

2 A chock（）.

3 A hydrostatic release mechanism for a liferaft（）.

4 After abandoning ship which action should be taken IMMEDIATELY upon entering a liferaft?（）

5 Signaling devices which are required on inflatable liferafts include（）.