海船船员考试
单选题When entering a foam injected space （） breathing apparatus.A put outB put onC take offD take in
题目
put out
put on
take off
take in
相似问题和答案
第1题：
When are fore and aft draft readings required to be entered in the unofficial logbook of a ship?
A.Once a day
B.Once a week
C.Prior to getting underway
D.Only when entering waters of different density
第2题：
The bypass valve on a self-contained breathing device should be opened if ______．
A.You are entering a space containing poisonous vapors
B.You are entering a space containing explosive gases
C.The regulator of the breathing apparatus malfunctions
D.The face piece of the breathing device is too tight
第3题：
On a ship, the locker or space containing the self-contained breathing apparatus must _____.
A.be located in close proximity to the main control station
B.be equipped with battery powered emergency lighting
C.be marked SELF-CONTAINED BREATHING APPARATUS
D.All of the above
在船上有自给式呼吸器的舱室或空间必须被标记“SELF-CONTAINEDBREATHINGAPPARATUS”。
第4题：
Wear the breathing apparatus before entering an enclosed space.（）
- A、在进入封闭舱室之前，戴上氧气面罩。
- B、在进入封闭舱室之前，戴上呼吸阀。
- C、在进入封闭舱室之前，戴上透气孔。
- D、在进入机舱室之前，戴上氧气面罩。
正确答案:A
第5题：
______of the following is (are) required on your cargo vessel when it has a refrigerated cargo space? ① A gas mask using a suitable canister to protect against the refrigerant. ② A self-contained breathing apparatus.
A.① only
B.Either ① or ②
C.② only
D.Neither ① nor ②
当你船舶有冷藏货物时要配备什么？1）使用适当的带过滤器的呼吸器来保护制冷剂。2）自给式呼吸器。
第6题：
By the stowage factor，when given a certain volume of space，we know ______．
A.The space of the ship
B.The space of one hold
C.What kind of cargo can be stowed
D.How much cargo can be stowed
第7题：
When compared to a high-expansion foam，a low-expansion foam will ______．
A.Be dryer
B.Be lighter
C.Be less heat resistant
D.Not cling to vertical surfaces
第8题：
When fuel is injected late into a diesel engine cylinder_______.
A.the exhaust will be clear
B.fuel consumption will be low
C.all the fuel will be burned at top dead center
D.fuel consumption will be high
第9题：
Firefighting foam is only effective when the foam _____.
A.penetrates to the bottom of the fire
B.is kept saturated with low-velocity water fog
C.mixes with the burning fuel oil
D.completely covers the top of the burning liquid
泡沫灭火仅在当泡沫完全覆盖在燃烧液体的上面时才有效。
第10题：
“当进入时不要相互推挤”的英文翻译是：DO NOT PUSH EACH OTHER WHEN ENTERING。
正确答案:正确