网友您好, 请在下方输入框内输入要搜索的题目:
题目内容
(请给出正确答案)
单选题
When entering a foam injected space () breathing apparatus.
A
put out
B
put on
C
take off
D
take in
参考答案
参考解析
解析:
暂无解析
更多 “单选题When entering a foam injected space () breathing apparatus.A put outB put onC take offD take in” 相关考题
考题
On a ship, the locker or space containing the self-contained breathing apparatus must _____.A.be located in close proximity to the main control stationB.be equipped with battery powered emergency lightingC.be marked SELF-CONTAINED BREATHING APPARATUSD.All of the above
考题
When fuel is injected late into a diesel engine cylinder_______.A.the exhaust will be clearB.fuel consumption will be lowC.all the fuel will be burned at top dead centerD.fuel consumption will be high
考题
When are fore and aft draft readings required to be entered in the unofficial logbook of a ship?A.Once a dayB.Once a weekC.Prior to getting underwayD.Only when entering waters of different density
考题
By the stowage factor,when given a certain volume of space,we know ______.A.The space of the shipB.The space of one holdC.What kind of cargo can be stowedD.How much cargo can be stowed
考题
The bypass valve on a self-contained breathing device should be opened if ______.A.You are entering a space containing poisonous vaporsB.You are entering a space containing explosive gasesC.The regulator of the breathing apparatus malfunctionsD.The face piece of the breathing device is too tight
考题
When compared to a high-expansion foam,a low-expansion foam will ______.A.Be dryerB.Be lighterC.Be less heat resistantD.Not cling to vertical surfaces
考题
______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 onlyB.Either ① or ②C.② onlyD.Neither ① nor ②
考题
Firefighting foam is only effective when the foam _____.A.penetrates to the bottom of the fireB.is kept saturated with low-velocity water fogC.mixes with the burning fuel oilD.completely covers the top of the burning liquid
考题
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。
考题
单选题The bypass valve on a self-contained breathing device should be opened if().A
you are entering a space containing poisonous vaporsB
you are entering a space containing explosive gasesC
the regulator of the breathing apparatus malfunctionsD
the face piece of the breathing device is too tight
考题
单选题When the opening pressure of a diesel fuel injector is greater than that specified by the engine manufacturer,the ()A
quantity of fuel injected is decreasedB
quantity of fuel injected will always be increasedC
start of injection is advancedD
duration of injection will always be greater
考题
单选题The required fireman’s outfits required for ship’s are not to be used for any other purpose EXCEPT for the().A
oxygen and explosion meter when it is used for detection of flare gasesB
self-contained breathing apparatus,when used as protection from gas leaking from a refrigeration unitC
boots and gloves that are made of rubber or electrically non-conductive material,if used when repairing electrical equipmentD
lifeline,if used by personnel entering a compartment which might be deficient of oxygen
考题
单选题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。
考题
单选题When the opening pressure of a diesel engine fuel injector is greater than that specified by the engine manufacturer, which of the following problems can be expected?()A
Quantity of fuel injected tends to be decreasedB
Quantity of fuel injected will always be increasedC
Start of injection tends to be advancedD
Duration of injection will always greater
考题
单选题When fuel is injected late into a diesel engine cylinder,().A
the exhaust will be clearB
fuel consumption will be lowC
all the fuel will be burned at top dead centerD
fuel consumption will be high
考题
单选题When a vessel is entering or leaving a port,a record of engine speeds is kept in the().A
bell bookB
deck rough logC
Official LogbookD
engine rough log
考题
单选题Which of the following statements regarding low expansion foam and its application is INCORRECT?().A
Foam should not be used on electrical firesB
One kilo of low expansion foam solution produces much more foamC
Foam is only efficient when it covers the top of burning combustiblesD
A stream of foam should be deflected off the deck in order to best agitate the fire
考题
单选题By the stowage factor, when given a certain volume of space, we know().A
the space of the shipB
the space of one holdC
what kind of cargo can be stowedD
how much cargo can be stowed
考题
单选题When there is a fire in a large electric motor, normally the very FIRST step is to ()A
secure the electric supplyB
ventilate area to remove smokeC
start the fire pump and lead out hoseD
apply foam
考题
单选题When are fore and aft draft readings required to be entered in the unofficial logbook of a ship? ()A
Once a dayB
Once a weekC
Prior to getting underwayD
Only when entering waters of different density
考题
单选题You want to be notified when the space usage of an existing critical tablespace has reached 75% of the allocated space. Which option would you use to achieve this?()A
run a procedure to check the tablespace space usageB
define the warning threshold for the tablespace at 75% in Database ControlC
create a trigger to be executed when tablespace space usage reaches 75%D
submit a job by using DBMS_JOB package to check the free space in the tablespace at regular intervalsE
define the warning threshold to be 75% for the tablespace by ALTER TABLESPACE .. ADD THRESHOLD command
考题
单选题When fuel is injected in a diesel engine cylinder too early, ()A
ignition may be delayedB
fuel economy is not affectedC
exhaust gas temperature will be unchangedD
the exhaust will be clear
考题
单选题The basic training in fire prevention and fire fighting should include the practical elements which should allow the trainees to acquire the ability to ().A
use self-contained breathing apparatusB
use various types of portable fire extinguishersC
effect a rescue in a smoke-filled space wearing breathing apparatusD
All of the above
考题
单选题When an engine is starting and has got a sufficiently high speed, say about 20 rpm,()A
the starting air supply is cut off and fuel is injected into the cylindersB
the fuel feeding is cut off and the turning gear is put inC
the starting air supply is cut off and turning gear is taken outD
the electric blower is shut down and fuel is injected into the cylinders
考题
单选题Where foam extinguishing systems are provided on a ship,each machinery flat in the protected space must have a(n)().A
coamingB
alarmC
drainD
fire sensor
考题
单选题Firefighting foam is only effective when the foam().A
penetrates to the bottom of the fireB
is kept saturated with low-velocity water fogC
mixes with the burning fuel oilD
completely covers the top of the burning liquid
热门标签
最新试卷