輪機(jī)英語船舶動(dòng)力裝置單項(xiàng)選擇題每日一練(2019.05.10)

來源：考試資料網(wǎng)

1 Fins are installed on the generating tube surfaces in waste heat boilers to （）.

2 In a commonly used fuel oil system, the oil is stored in tanks in the double bottom from which it is pumped to （） and heated.

3 （） provide the water to the pistons.

4 A thrust bearing is used with a propulsion diesel engine to （）.

5 Engine fuel pump index is （）.