The disinfection of various compartments in a vessel by filling with a gaseous agent to destroy rats and all insects pests which act as germ carriers means（）...

第1题

[单选题] The extended aeration process consists of （） the liquor either by bubbling air through it or by agitating the surface.

A、deoxygenating B、oxygenating C、chemicalizing D、disinfecting

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第2题

[单选题] Bleeding from a vein may be ordinarily controlled by（）.

A、applying direct pressure to the wound B、heavy application of a disinfectant C、pouring ice water directly onto the wound D、pinching the wound closed

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第3题

[单选题] Which of the following should a technician use to remove dust from the inside of a server case？（）

A、Compressed air B、Vacuum C、Soap and water D、Disinfecting wipes

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第4题

[] Most marine biological sewage treatment plants consist of all the following statements except （）.

A、A.aeration tanks B、B.settling tanks C、C.disinfection agent D、D.anaerobic bacteria

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第5题

[单选题] According to Annex Ⅳ of comminuted and disinfected sewage using an approved system can be discharged when the ship is more than away from the nearest land（）

A、3 n mile B、5 n mile C、12 n mile D、25 n mile

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第6题

[单选题] The disinfection of various compartments in a vessel by filling them with a gaseous agents to destroy rats etc.means（）.

A、fire drills B、washing and cleaning C、fumigation D、quarantine

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第7题

[单选题] The disinfection of various compartment in a vesel by filling them with a gaseous agents to destroy rats ect.means（）.

A、fire drills B、washing and cleaning C、fumigation D、quarantine

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第8题

[单选题] The disinfection of various compartments in a vessel by filling with a gaseous agent to destroy rats and all insects pests which act as germ carriers means（）.

A、displacement B、fumigation C、discharging D、compensation

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第9题

[] The disinfection of various compartments in a vessel by filling with a gaseous agent to destroy rats and all insects pests which act as germ carriers means（）.

A、A.displacement B、B.fumigation C、C.discharging D、D.compensation

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The disinfection of various compartments in a vessel by filling with a gaseous agent to destroy rats and all insects pests which act as germ carriers means（）.

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