During working of an air compressor, （） should be drained.

A、oil sump

B、oil separator

C、outlet pipe

D、inlet pipe

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更多“During working of an air compressor, （） should be drained.”相关的问题

第1题

[单选题] Shipping society approved buoyant work vests are considered to be items of safety equipment and may be worn by members of the crew（）.

A、in lieu of life preservers during fire drills B、in lieu of life preservers during boat drills C、in lieu of life preservers during an actual emergency D、when carrying out duties near a weather deck's edge

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第2题

[单选题] Shipping society approved buoyant work vests are considered to be items of safety equipment and may be worn by members of the crew（）.

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第3题

[单选题] During working of an air compressor, （） should be drained.

A、inter cooler B、cylinder C、outlet pipe D、inlet pipe

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第4题

[单选题] You are kindly requested to supply the necessary tallymen to do（）on board the ship during the discharging of the cargo.

A、the tallying work B、the lashing work C、the clean work D、the work of opening and closing hatches

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第5题

[单选题] According to regulations，a cargo hose used for transferring liquefied gases must have a bursting pressure of（）.

A、5 times the maximum working pressure on the hose during cargo transfer B、one half the designed working pressure C、4 times the pressure of the cargo pump used for transferring D、5 times the minimum working pressure on the hose during cargo transfer

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第6题

[单选题] Which of the following is TRUE for the DB2 isolation level Cursor Stability (CS)?（）

A、An application process acquires at least a share lock on the current row of every cursor. B、Any row that is read during a unit of work cannot be changed by other application processes until the unit of work is complete. C、Any row changed by another application process can be read, even if the change has not been committed by that application process. D、An application process that issues the same query more than once in a unit of work will not see additional rows caused by other application processes appending new information to the database.