輪機英語船舶電氣與船舶安全單項選擇題每日一練(2019.01.23)

來源：考試資料網(wǎng)

1 Electric circuits are protected against overloads and short circuits by means of a/an （）.

2 Bunkering shall be terminated if there is a （）

3 Generally, runaway means such situation when the speed main engine exceeds the rating speed by its （）

4 Safety is dependent on orderliness and cleanlinessOrder may be maintained by （）

5 The water in an auxiliary boiler should be chemically tested daily for alkalinity and（）