A large oil fire on the deck of a ship can be fought most effectively with ______.A.dry chemicalB.foamC.high-velocity fogD.water (cartridge-operated)、
A large oil fire on the deck of a ship can be fought most effectively with ______.
A.dry chemical
B.foam
C.high-velocity fog
D.water (cartridge-operated)、
相关考题：
The most effective way to apply a foam stream if the fire is on deck or is a runing fire, is to direct the stream ______.A.onto the surface of the burning liquidB.ahead of the burning liquid and bounce it on the fireC.at the base of the burning liquid in a sweeping motionD.just above the surface of the burning liquid
The upper piston rings m large, slow-speed, two-stroke/cycle diesel engines are most effectively lubricated by oil ____.A.fed from mechanical lubricatorsB.thrown off from the main bearingsC.supplied from wick fed drip lubricatorsD.flow from a centrifugal or banjo oiler
When fighting a large fire on your vessel and attacking it from ABOVE the space on fire，it is important to ______．A.Rotate personnel，due to heat stressB.Station personnel on the hot deck immediately above the fireC.Stay low by crouching or kneeling on deckD.All of the above
A foam-type portable fire extinguisher is most useful in fighting a fire in ______.A.generatorsB.oil drumsC.the bridge controlsD.combustible metals
A portable foam (stored-pressure type) fire extinguisher would be most useful in combating a fire in ______.A.generatorsB.oil drumsC.the bridge controlsD.combustible metals
An ABC dry chemical fire extinguisher would be LEAST effective against a fire in ______.A.a mattressB.spilled liquids such as oil or paintC.high voltage electrical gearD.a trash can
艏楼甲板位于船艏部。（）A、Forecastle deck is located at the ship’s stern.B、Poop deck is located at the ship’s bow.C、Forecastle deck at located in the ship’s bow.D、Poop deck is located at the ship’s stern.
The oil is usually pumped into ship at the loading port by（）.A、ship’s own pumpsB、shore pumpsC、large pipesD、large tubes
Many businesses ship their products by rail if they are shipping long distance because it can be（）to ship in large quantities by rail than by truck.A、more expensiveB、cheaperC、fasterD、safer
单选题If you are fighting a fire below the main deck of your vessel，which action is most important concerning the stability of the vessel?（）.AShutting off electricity to damaged cablesBPumping fire-fighting water overboardCManeuvering the vessel so the fire is on the lee sideDRemoving burned debris from the cargo hold
单选题A vessel with a large GM will（）.Ahave a small amplitude of roll in heavy weatherBtend to ship water on deck in heavy weatherCbe subject to severe racking stressesDbe less likely to have cargo shift
单选题A large oil fire on the deck of a ship can be fought most effectively with（）.Adry chemicalBfoamChigh-velocity fogDwater
单选题A cutoff valve in the fire-main system of a ship may be closed to protect the portion of the system on an exposed deck from（）.Adamage from crane operationsBbeing used for wash down purposesCaccidental diversion of flow to wrong locationDfreezing
单选题A class B fire is most successfully fought by（）.Apreventing oxygen from reaching the burning materialBcooling the burning material below its ignition temperatureCusing the extinguishing agent to make the burning material fire-resistantDusing the extinguishing agent to absorb the heat
单选题If you are fighting a fire below the main deck of your vessel，which action is most importantconcerning the stability of the vessel? （）AShutting off electricity to damaged cablesBPumping fire-fighting water overboardCManeuvering the vessel so the fire is on the lee sideDRemoving burned debris from the cargo hold
单选题What is an advantage of using foam in fire fighting?（）AIt is MOST effective on very hot oil fires where the temperatures of the liquid exceed 100°C (212°F)BMost foams can be used with dry chemicals to attack a fire by two methodsCFoam is effective on combustible metal firesDFoam can be made with seawater or fresh water
单选题A shipboard Oil Pollution Emergency Plan is required of（）.Aall vessels，regardless of size and commercial applicationBany barge or ship constructed or operated in such a manner that no oil in any form can be carried aboardCan oil tanker of 150 gross tons and above，or other ship of 400 gross tons and aboveDan oil tanker of 400 gross tons and above，or other ships of 150 gross tons and above
单选题Once a lighthouse is built, no ship of any nationality can be effectively _____ from the utilization of the lighthouse for navigational purposes.AisolatedBdismissedCdistractedDexcluded
单选题A large oil fire on the deck of a ship can be fought most effectively with（）.Adry chemicalBfoamChigh-velocity fogDWater (cartridge-operated)
单选题Fire extinguishers used on ship’s are numbered by size I through V，with I being（）.Aused for electrical fires onlyBthe smallestCthe most accessibleDthe most effective
单选题The most likely location for a liquid cargo fire to occur on a tanker would be（）.Ain the midships houseBat the main deck manifoldCat the vent headerDin the pumproom
单选题An ABC dry chemical fire extinguisher would be LEAST effective against a fire in（）.Aa mattressBspilled liquids such as oil or paintChigh voltage electrical gearDa trash can
单选题Radiation can spread a fire by （）.Atransmitting the heat of a fire through the ship s metalBburning liquids flowing into another spaceCheated gases flowing through ventilation systemsDthe transfer of heat across an unobstructed space
单选题Most large, low-speed, main propulsion diesel engines use duplex lube oil strainer to （）Adecrease the time required between cleaningsBremoves all large and small foreign objectsCensure a positive flow of oil at all timesDensure that all lube oil has been treated twice
单选题In the event of a small bunker oil spill on deck occurring while bunkering, you should （）.Awash down the area immediately with a fire hoseBwash down the area with keroseneCcover the area with absorbent materialDcover the area with foam
单选题If an oil spill occurs on deck, you should （）.Acover the area with foamBcover the area with absorbent materialCwash down immediately with a fire hoseDwash down immediately with an oil dispersing solvent