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
Which fire detection system is actuated by sensing a heat rise in a compartment?（）
A
Manual fire detection system
B
Automatic fire detection system
C
Smoke detection system
D
Watchman's supervisory system
参考答案
参考解析
解析：
暂无解析
更多 “单选题Which fire detection system is actuated by sensing a heat rise in a compartment?（）A Manual fire detection systemB Automatic fire detection systemC Smoke detection systemD Watchman's supervisory system” 相关考题
考题
Which of the following components provides a direct source of seawater for the fire main system?A.Rose boxB.Sea chestC.Sluice(闸式) valveD.Fire pump stuffing box
考题
The refrigeration system low pressure cutout switch is actuated by______.A.an electric system managerB.a sensing bulb at the tail coil of the evaporatorC.pressure changes in the suction lineD.failure of the king solenoid valve
考题
The ventilation system of your ship has fire dampers restrained by fusible links. Which statement is TRUE?A.Fusible links must be replaced if a damper is activatedB.Fusible links are tested by applying a source of heat to themC.Fusible links must be replaced at every inspection for certificationD.A fusible link will automatically open after a fire is extinguished and reset the damper
考题
Convection spreads a fire by ______.A.heated gases flowing through ventilation systemsB.the transfer of heat across an unobstructed spaceC.burning liquids flowing into another spaceD.transmitting the heat of a fire through the ship’s metal
考题
Fire may be spread by which means?A.Conduction of heat to adjacent surfacesB.Direct radiationC.ConvectionD.All of the above
考题
Cisco IDS sensors form the eyes and ears of your Cisco network intrusion detection system. Placing sensors correctly throughout your network is crucial to successfully implementing your Cisco intrusion detection system .Which two of these are characteristics of an IDS sensor？（）A、 has a permissive interface that is used to monitor networksB、 is an active device in the traffic pathC、 passively listens to network trafficD、 has a promiscuous interface that is used to monitor the network
考题
A datacenter manager would like to ensure that all fire suppression in the datacenter is safe for the equipment in the room. Which of the following classifications should be listed on the fire suppression system？（）A、AB、BC、CD、D
考题
单选题The spreading of fire as a result of heat being carried through a vessels ventilation system, is an example of heat transfer by （）.A
conductionB
convectionC
radiationD
windage
考题
单选题The ventilation system of your ship has fire dampers restrained by fusible links. Which statement is TRUE?（）A
A fusible link will automatically open after a fire is extinguished and reset the damperB
Fusible links must be replaced at every inspection for certificationC
Fusible links are tested by applying a source of heat to themD
Fusible links must be replaced if a damper is activated
考题
单选题The refrigeration system low pressure cutout switch is actuated by （）.A
an electric system managerB
a sensing bulb at the tail coil of the evaporatorC
pressure changes in the suction lineD
failure of the king solenoid valve
考题
单选题A passenger vessel is required to have a supervised patrol when（）.A
there are passengers berthed on boardB
navigating in excess of eight hoursC
the vessel has substantial wood in its constructionD
there is no automatic fire-detection system installed
考题
单选题Which of the following terms represents the form of heat removed from the refrigerant in the condenser of a refrigeration system?（）A
Latent heat of vaporizationB
Heat of compressionC
SuperheatD
All of the above
考题
单选题Fire may be spread by which means?（）A
Conduction of heat to adjacent surfacesB
Direct radiationC
ConvectionD
All of the above
考题
单选题Convection spreads a fire by（）.A
heated gases flowing through ventilation syetemB
the transfer of heat across an unobstructed spaceC
burning liquids flowing into another spaceD
transmitting the heat of a fire through the ships metal
考题
单选题Convection spreads a fire as a result of （）.A
transmitting the heat of a fire through the ships metalB
burning liquids flowing into another spaceC
heated gases flowing through ventilation systemsD
the transfer of heat across an unobstructed space
考题
单选题A fire may be spread by which of the following means?（）A
Conduction of heat to adjacent surfacesB
Direct radiationC
ConvectionD
All of the above
考题
单选题Which of the following is true of the heating system of the Johnstown campus?A
The heat is supplied by human bodies only.B
The heat is supplied by both human bodies and other heat-emitting objects.C
The heat is supplied by both human bodies and conventional fuel.D
The heat is supplied by human bodies, other heat-emitting objects, and conventional fuel.
考题
单选题What is required in addition to the heat，fuel，and oxygen of the fire triangle to have a fire?（）A
ElectricityB
Chain reactionC
PressureD
Smoke
考题
单选题Which space(s) on your cargo vessel must have a fire detection system?（）A
Any compartment containing explosivesB
Any compartment adjacent to one containing explosivesC
Enclosed spaces which are specially suitable for vehiclesD
All of the above
考题
单选题The component of a refrigerating system in which the refrigerant vaporizes and absorbs heat is known as the （）.A
condenserB
vapor generatorC
accumulatorD
evaporator
考题
单选题A solenoid valve used in a refrigeration system should be installed （）.A
with the axis of the solenoid horizontal, sensing temperature of the box, and upstream of the thermal expansion valveB
upright, sensing temperature of the box, and upstream of the thermal expansion valveC
upright, sensing temperature of the box, and downstream of the thermal expansion valveD
upright, sensing heat of the tail coil, and upstream of the thermal expansion valve
考题
单选题Fire alarm system thermostats are actuated by（）.A
smoke sensorsB
the difference in thermal expansion of two dissimilar metalsC
pressure loss due to air being heatedD
an electric eye which actuates when smoke interferes with the beam
考题
单选题Which fire fighting agent has the greatest capacity for absorbing heat?（）A
waterB
dry chemicalC
foamD
CO2
考题
单选题The primary function(s) of an automatic sprinkler system is(are) to（）.A
extinguish the fire which triggers itB
limit the spread of fire and control the amount of heat producedC
protect people in the areas which have sprinkler headsD
alert the crew to the fire
考题
单选题Radiation can spread a fire by （）.A
transmitting the heat of a fire through the ship s metalB
burning liquids flowing into another spaceC
heated gases flowing through ventilation systemsD
the transfer of heat across an unobstructed space
考题
单选题A towing vessel’s fire detection system may be certified to comply with the Coast Guard’s towing vessel fire protection regulations by（）.A
a Coast Guard inspectorB
a registered professional engineerC
the owner or Master of the vesselD
a licensed electrician
考题
单选题Control valves of a CO2 system may be located within the protected space when（）.A
it is impractical to locate them outsideB
there is also a control valve outsideC
the CO2 cylinders are also in the spaceD
an automatic heat-sensing trip is installed
热门标签
最新试卷
