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
Controls for a fixed carbon dioxide system shall be mounted（）.
A
directly outside the space protected by the system
B
as near the gas cylinders as possible
C
in the pilothouse
D
on the main deck near the bow
参考答案
参考解析
解析：
暂无解析
更多 “单选题Controls for a fixed carbon dioxide system shall be mounted（）.A directly outside the space protected by the systemB as near the gas cylinders as possibleC in the pilothouseD on the main deck near the bow” 相关考题
考题
The ___________ of gases such as carbon dioxide should be stabilized at their present level.
A、emissionB、emitC、radiationD、evaporation
考题
It is pretty well understood ________ controls the flow of carbon dioxide in and out the atmosphere today.
A、thatB、whatC、whenD、how
考题
Theoretical perfect combustion in a diesel engine yields by-products of_____.A.aldehydes and carbon dioxideB.water vapor and carbon monoxideC.nitrogen and carbon monoxideD.water vapor and carbon dioxide
考题
A fixed carbon dioxide extinguishing system for a machinery space，designed WITHOUT a stop valve in the line leading to the protected space，is actuated by ______.A.one controlB.two controlsC.three controlsD.none of the above
考题
In the event of fire in a machinery space，______.A.the fixed carbon dioxide system should be used only when all other means of extinguishment have failedB.the fixed carbon dioxide system should be used immediately，as it is the most efficient means of extinguishmentC.water in any form should not be used as it will spread the fireD.the space should be opened 5 minutes after flooding CO2 to prevent injury to personnel
考题
What could result in an incorrect oxygen concentration reading on the oxygen indicator ________．A.Exposure to carbon dioxide for no more than 1 minuteB.Exposure to carbon dioxide for more than 10 minutesC.Exposure to a very low concentration of sulfur dioxide for no more than 2 minutesD.None of the above
考题
The most effective way of applying carbon dioxide from a portable extinguisher to a fire is by ______．A.Forming a cloud cover over the flamesB.Directing the gas at the base of the flames in a slow sweeping motionC.Discharging the carbon dioxide into the heart of the flamesD.Bouncing the discharge off an adjacent bulkhead just above the burning surface
考题
______, as the chemical extinguisher agent, should be used for an electric fire.A.dry chemical or foamB.foam or soda acidC.carbon dioxide or foamD.carbon dioxide or dry chemical
考题
A cabinet or space containing the controls or valves for the fixed firefighting system must beA.posted with instructions on the operation of the systemB.ventilated and equipped with explosion-proof switchesC.painted with red and black diagonal stripesD.equipped with a battery powered source of emergency lighting
考题
Large volumes of carbon dioxide are safe and effective for fighting fires in enclosed spaces, such as in a pumproom, provided that the ______.A.persons in the space wear gas masksB.persons in the space wear damp cloths over their mouths and nostrilsC.ventilation system is secured and all persons leave the spaceD.ventilation system is kept operating
考题
Deep-fat cooking equipment shall be fitted with the following:（）A、An automatic or manual fixed extinguishing system tested to an appropriate standardacceptable to the OrganizationB、Controls for manual operation of the fire-extinguishing system which are clearlylabeled for ready use by the crewC、Arrangements for automatically shutting off the electrical power upon activation of thefire-extinguishing systemD、an alarm for indicating operation of the fire-extinguishing system in the galley wherethe equipment is installed
考题
跑道边灯应为固定灯具，显示可变的白光。（）A、Runway edge lights shall be fixed lights showing variable white.B、Runway middle lights shall be fixed lights showing variable white.C、Runway edge lights shall be fixed lights showing vary white.D、Taxiway edge lights shall be fixed lights showing variable white.
考题
单选题Every lifeboat which is fitted with a fixed two-way vhf radiotelephone apparatus with（）which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.A
a dummy antennaB
a supporting facilitiesC
a back-up equipmentD
an antenna
考题
单选题The danger associated with using carbon dioxide in an enclosed space is（）.A
frostbiteB
skin burnsC
asphyxiationD
an explosive reaction
考题
单选题Carbon dioxide flooding system is used for extinguishing fires because it reduces the concentration of oxygen in the air to（）.A
flashing pointB
combustion pointC
auto-ignition pointD
lower explosive limit
考题
单选题Every lifeboat which is fitted with a fixed two-way VHF radiotelephone apparatus with（）which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in is operating position.A
a dummy antennaB
a supporting facilitiesC
a back-up equipmentD
an antenna
考题
单选题Every lifeboat which is fitted with a fixed（）VHF radiotelephone apparatus with an antenna which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.A
one-wayB
two-wayC
double-effectD
one-effect
考题
单选题Every lifeboat which is fitted with a fixed two-way（）radiotelephone apparatus with an antenna which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.A
HFB
VHFC
MFD
MF/HF
考题
单选题A fixed carbon dioxide extinguishing system for a machinery space，designed WITHOUT a stop valve in the line leading to the protected space，is actuated by（）.A
one controlB
two controlsC
three controlsD
none of the above
考题
单选题Large volumes of carbon dioxide are safe and effective for fighting fires in enclosed space, such as in the pumproom, provided that the（）.A
persons in the space wear gas masksB
persons in the space wear damp cloths over their mouths and nostrilsC
ventilation system is secured and all persons leave the spaceD
ventilation system is kept operating
考题
单选题Theoretical perfect combustion in a diesel engine yields by-products of （）.A
aldehydes and carbon dioxideB
water vapor and carbon monoxideC
nitrogen and carbon monoxideD
water vapor and carbon dioxide
考题
单选题On a ship，a cabinet or space containing the controls or valves for the fixed firefighting system must be（）.A
posted with instructions on the operation of the systemB
ventilated and equipped with explosion-proof switchesC
painted with red and black diagonal stripesD
equipped with a battery powered source of emergency lighting
考题
判断题Natural systems can reduce the amount of carbon dioxide in the atmosphere caused by carbon emissions.A
对B
错
考题
单选题A cabinet or space containing the controls or valves for the fixed firefighting system must be（）.A
posted with instructions on the operation of the systemB
ventilated and equipped with explosion-proof switchesC
painted with red and black diagonal stripesD
equipped with a battery powered source of emergency lighting
考题
单选题Why should you wear a self-contained breathing apparatus before entering the engine room after the fixed CO2 system has been discharged to combat a major fire?（）A
Because carbon dioxide dilutes the oxygen concentration in the atmosphere and may cause asphyxiationB
Because carbon dioxide breaks down in a fire into carbon monoxide which may cause blood poisoning in the person breathing this gasC
Because carbon dioxide is a colorless and odorless gas that becomes highly toxic in the presence of high temperatures and will quickly incapacitate a person exposed to this gasD
This action is unnecessary as carbon dioxide is not poisonous nor toxic but is a relatively harmless gas
考题
单选题The supply of carbon dioxide used in the fixed extinguishing system aboard a cargo vessel MUST be at least sufficient for（）.A
all the spaces of a vesselB
all cargo spacesC
the engine room and largest cargo spaceD
the space requiring the largest amount
考题
单选题On a ship，a fixed carbon dioxide or other approved system must be installed（）.A
where oil or chemical drums are storedB
in all battery storage locationsC
in paint lockersD
in all of the above locations
热门标签
最新试卷