Some （） lying in the starting air lines will give rise to corrosion and can cause water hammer.

A、air

B、moisture

C、cooling water

D、lubricant

查看正确答案

更多“Some （） lying in the starting air lines will give rise to corrosion and can cause water hammer.”相关的问题

第1题

[单选题] If it is impossible to avoid a hurricane in the Northern Hemisphere，the most favorable place to be when the storm passes is in（）.

A、the dangerous semicircle B、the eye (center) of the storm C、that half of the storm lying to the right of the storm's path D、that half of the storm lying to the left of the storm's path

点击查看答案

第2题

[单选题] The act of speaking will also help to improve listening comprehension（）

A、to some way B、in the way C、to some extent D、in the extent

点击查看答案

第3题

[] In charter-party，a clause states: the vessel to be employed between good and safe ports or places where she can（）.

A、A.safe lie always float B、B.safely lie always float C、C.safe lie always afloat D、D.safely lie always afloat

点击查看答案

第4题

[单选题] A vessel is equipped with cross-connected deep tanks.In which situation should the crossconnection valve be closed?（）.

A、The tank lie above the waterline and are filled B、The tank are partically filled with dry cargo C、The tanks are partially filled with liquid cargo D、The tanks are filled and lie below the waterline

点击查看答案

第5题

[单选题] There are some navigational instruments（）.

A、in bridge B、on the deck C、in the radio room D、on the hold

点击查看答案

第6题

[] A vessel is equipped with cross-connected deep tanks. In which situation should the cross-connection valve be closed? （）

A、A.The tanks lie above the waterline and are filled B、B.The tanks are partially filled with dry cargo C、C.The tanks are partially filled with liquid cargo D、D.The tanks are filled and lie below the waterline

点击查看答案

第7题

[] A vessel is equipped with cross-connected deep tanks. In which situation should the cross-connection valve be closed?（）.