輪機(jī)英語(yǔ)單項(xiàng)選擇題每日一練(2019.09.20)

來(lái)源：考試資料網(wǎng)

1 To obtain maximum efficiency, two stage air compressors are usually （）.

2 At an unsheltered anchorage the chief engineer officer shall consult with （） whether or not to maintain an underway watch.

3 Dress up the （）.

4 When the vessel on the full speed ahead, if full astern immediately （） the main engine start astern and fuel injection.

5 Leaky exhaust valve will result in which of the following?（）
(1) high exhaust temperature;
(2) low compression pressure;
(3) low firing pressure.