輪機(jī)英語(yǔ)船舶輔助機(jī)械單項(xiàng)選擇題每日一練(2019.01.08)

來(lái)源：考試資料網(wǎng)

1 The pour point of lubricating oils is affected the most by which of the following?（）

2 The （） is used for hauling in or letting out the wires or ropes.

3 （） provides the head or pressure to supply the domestic water where required.

4 A refrigeration unit will tend to short cycle when operating （）.

5 A dirty intercooler on an air compressor will cause （）.