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
Fire detecting systems on merchant vessels may be arranged to sense ().
A
smoke
B
rate of temperature rise
C
ionized particles
D
all of the above
参考答案
参考解析
解析:
暂无解析
更多 “单选题Fire detecting systems on merchant vessels may be arranged to sense ().A smokeB rate of temperature riseC ionized particlesD all of the above” 相关考题
考题
Because of the recent fire in the factory, all the stocks were destroyed. (), we cannot make shipment as arranged before.A、In the caseB、In this casesC、In this eventD、At this event
考题
Which of the following statements concerning the lubrication of diesel propulsionengines used in vessels over 300 gross tons is most accurate? ( )A.Lubrication systems using engine driven lube oil pumps do not require any additionalindependent arrangement when such arrangements have been proven reliable.B.The use of engine driven pre-lube pumps is permitted on vessels with propulsionsystems developing less than 500 shaft horsepower.C.When forced lubrication is used for propulsion engines , one independently drivenstandby pumps is to be provided in addition to the necessary pumps for normaloperation.D.Lubrication systems where two oil coolers are fitted require a minimum of twotemperature control devices which may be actuated by similar sensors.
考题
Oceangoing dry bulk cargo vessels over 1000 GT must have approved combination-type fire nozzles at all ______.A.Fire stations aboard the vessel,except for those in open deck areas weatherdeck and cargo hold fire stationsB.Interior fire stationsC.Engine room fire stationsD.All of the above
考题
The most common type of davit found on merchant vessels today is the ______.A.RadialB.Sheath-screwC.GravityD.Quadrantal
考题
A galley grease fire on the stove may be extinguished using______.A.waterB.foamC.the range hood extinguishing systemD.fire dampers
考题
Most propellers on merchant vessels are constructed of______.A.manganese bronzeB.cast ironC.mild steelD.improved plow steel
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()are increasingly used as main engine on merchant vessels, because they have a high Hp/Weight ratio.A
Slow speed diesel enginesB
Medium-speed diesel enginesC
Steam enginesD
Gasoline engines
考题
单选题The Rules state that vessels may depart from the Rules when().A
there are other vessels in the vicinityB
operating in a traffic separation schemeC
engaged in a situation involving more than two vesselsD
necessary to avoid immediate danger
考题
单选题A flashing red light displayed at a single lock means that the lock().A
is ready to use but vessels must stand clearB
is ready to use and vessels may approachC
cannot be made ready immediately and vessels shall stand clearD
cannot be made ready immediately but vessels may approach
考题
单选题Fire protection regulations for towing vessels require all crew members to know how to perform each of these tasks EXCEPT().A
start the mechanical ventilation system for the engine roomB
operate the fuel shut-off for the engine roomC
operate all fire extinguishing equipment aboard the vessel on board the vessel,including starting the fire pumpD
All of the above
考题
单选题You are ordering ship’s stores. Which statement is TRUE?().A
Stores such as line,rags,mattresses,linens,etc. must be treated to be fire retardantB
Stores certified for use on uninspected vessels may be identified by the certification number used by Underwriter's LaboratoriesC
A portable container of a flammable liquid used as fuel for portable auxiliary equipment must be stowed in a paint locker or at a designated open locationD
Acetylene may be in a ship's storeroom in quantities not exceeding 6000 cubic feet
考题
单选题Oceangoing dry bulk cargo vessels over 1000 GT must have approved combination-type fire nozzles at all().A
fire stations aboard the vessel,except for those in open deck areas weatherdeck and cargo hold fire stationsB
interior fire stationsC
engine room fire stationsD
all of the above
考题
单选题Fire protection regulations for towing vessels require training in all of the following,EXCEPT().A
putting on a fireman's outfit,if the vessel is so equippedB
donning a self-contained breathing apparatus,if the vessel is so equippedC
activating the general alarm and reporting inoperative alarm systems and fire-detection systemsD
refilling and servicing all expended fire extinguishing equipment
考题
单选题Fire protection regulations for towing vessels allow all of these types of fuel piping,EXCEPT().A
steelB
aluminum in an aluminum-hulled vesselC
schedule 80 fire resistant plastic pipeD
nickel-copper,copper-nickel or annealed copper
考题
单选题Ventilation systems connected to a compartment in which a fire is burning are normally closed to prevent the rapid spread of the fire by().A
convectionB
conductionC
radiationD
spontaneous combustion
考题
单选题The blocking or absence of fire dampers can cause().A
the accumulation of explosive gasesB
faster cooling of the fireC
the fire to spread through the ventilation systemD
fixed foam systems to be ineffective
考题
单选题Multiple fire pumps may be used for other purposes provided that one pump is().A
on line to the fire mainB
kept available for use on the fire main at all timesC
capable of being connected to the fire mainD
rated at or above 125 psi
考题
单选题A fire is considered "under control" when ().A
all hands are at their fire stationsB
all fire-fighting equipment is at the sceneC
the fixed systems are activatedD
the fire is contained and no longer spreading
考题
单选题Upon receipt of a distress message,a merchant vessel is bound to proceed to the scene of the distress. Under which of the following cases would this NOT be true?()A
The vessel would arrive at the distress scene more than 36 hours after the receipt of the initial distress messageB
There are vessels closer to the distress scene that are proceeding to assistC
The Master of the vessel in distress has requisitioned another vessel,and that vessel has accepted the requisitionD
You are on a tanker and the distress involves a major fire on board the other vessel
考题
单选题The two vessels underway may collide with(),if they don’t take immediate measures.A
one to anotherB
one the otherC
each the otherD
each other
考题
单选题Which of the following statements concerning the lubrication of diesel propulsion engines used in vessels over 300 gross tons is most accurate?()A
Lubrication systems using engine driven lube oil pumps do not require any additional independent arrangement when such arrangements have been proven reliableB
The use of engine driven pre-lube pumps is permitted on vessels with propulsion systems developing less than 500 shaft horsepowerC
When forced lubrication is used for propulsion engines, one independently driven stand-by pumps is to be provided in addition to the necessary pumps for normal operationD
Lubrication systems where two oil coolers are fitted require a minimum of two temperature control devices which may be actuated by similar sensors
考题
单选题The rules state that vessels may depart from the requirements of the Rules when().A
there are no other vessels aroundB
operating in a narrow channelC
the Master enters it in the ship's logD
necessary to avoid immediate danger
考题
单选题Cargo vessels being navigated,and fitted with emergency lighting and power systems,shall have their emergency systems tested at least once().A
a monthB
in each weekC
in every 6 monthsD
in every 12 months
考题
单选题Several merchant ships are arriving at the scene of a distress incident. One of the them must assume the duties of the Coordinator Surface Search (CSS). Which of the following statements is TRUE? ()A
CSS duties are always assumed by passenger vessels,dry cargo vessels,or tankers in that order of precedenceB
The CSS must be established by mutual agreement between the ships concernedC
A tank vessel should never be assigned CSS duties unless only tank vessels are presentD
The first vessel to arrive at the distress incident is designated as the CSS
考题
单选题Blocking open or removing fire dampers can cause().A
fixed foam systems to be ineffectiveB
faster cooling of the fireC
the accumulation of explosive gasesD
the fire to spread through the ventilation system
考题
单选题()is main emergency fire system in all merchant ships.A
CO2 systemB
Foam systemC
Dry power systemD
Water supply system
热门标签
最新试卷