单选题The fire of fuel oil is classified as（） fire.AClass ABClass BCClass CDClass D
单选题
The fire of fuel oil is classified as（） fire.
A
Class A
B
Class B
C
Class C
D
Class D
参考解析
解析：
暂无解析
相关考题：
The firefighters are going to ______________ the cause of the fire. A、look intoB、look upC、look down
People called the Fire Brigade(军旅) that the fifth floor of their neighboring __________ was on fire. A. HouseB. ApartmentC. CottageD. flat
How does foam extinguish an oil fire ?______.A.By cooling the oil below the ignition temperatureB.By removing the fuel souce from the fireC.By excluding the oxygen from the fireD.By increasing the weight of the oil
单选题A fuel line breaks, sprays fuel on the hot exhaust manifold, and catches fire. Your first action should be to（）.ABatten down the engine roomBstart the fire pumpCapply carbon dioxide to the fireDshut off the fuel supply
单选题The purpose of the safety relief valves installed on an auxiliary boiler is to （）.Arelieve excess fuel oil pressure during the “off” fire cycleBadmit water to the dry pipeCthrottle the forced draft fan output for proper combustionDreduce excess steam pressure in the boiler
单选题If a fire ignites in the engine room as a result of a high pressure fuel oil leak, you should FIRST （）.Asecure the ventilationBfind a soda acid extinguisherCshut off the fuel oil supplyDsecure the generator
单选题When an auxiliary boiler is panting and emitting black smoke, you should （）.Aincrease the fuel oil temperatureBdecrease the fuel oil temperatureCdecrease the fuel oil supply pressureDincrease the air supply
单选题When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.Afilter to remove the fuel oilBuse the settler to remove the fuel oilCremove the fuel oil by centrifugingDdrain and then renew the lube oil supply
单选题What is the passage about?AThe Great Fire of London.BWho was the first to discover the fire?CWhat Pepys was doing during the fire.DThe losses caused by the fire.
单选题What is an advantage of using foam in fire fighting?（）AIt is effective in controlling fire in flowing oil such as coming from a broken fuel lineBIt absorbs heat from materials that could cause reignitionCMost foams can be used jointly with dry chemical extinguishing agents to attack a fire by two methods of extinguishmentDOnce the surface is blanketed with foam and the fire is extinguished，no further foam is required
单选题You are transferring fuel from the storage tanks to the day tanks by means of an electric fuel oil transfer pumpIf the pump motor catches fire, you would FIRST （）.Asecure the fuel manifoldBshut off power to the pumpCshut off the power ventilationDspray water on the fire
单选题Which of the actions listed should be taken FIRST to control an oil fire in a fuel oil tank?（）ACommence draining that tank as quickly as possibleBSeal off all vents to that tankCActivate the CO2 system to that tankDShut off the steam heating coils
单选题The FIRST course of action in fighting a fire in a cargo or fuel oil tank is to （）.Asecure all openings to the tankBdischarge an initial charge of CO2 with a hand portable extinguisherCdirect a fire hose into the tank and energize the fire mainDspray the tank boundaries with a fire hose to promote cooling
单选题Each fire hydrant serving machinery spaces containing oil fired boilers，internal combustion machinery，or oil fuel units must be equipped with a（）.Afireman's outfitBlow-velocity spray applicatorCmarine strainerDpick axe
单选题The FIRST step to take in fighting an engine room fire resulting from a ruptured fuel oil service line, is to （）.Aevacuate all engine room personnelBfight the fire with hand portable extinguishersCactivate the mainCO2 bankDstop the flow of leaking fuel oil
单选题The safe rate of bunkering heavy fuel oil is directly related to the （）.Atype of fuel transfer pump aboardBtemperature of the fuel oil being receivedCsize of the fuel storage tanks ashoreDdistance from the fuel oil storage tanks ashore
单选题Machinery driving fuel oil transfer and fuel oil service pumps must be fitted with a remote means of stopping the machinery from （）.Awithin the space concernedBoutside the space concernedCthe throttle stationDwithin the fire room
单选题Fuel oil tanks must be fitted with （） that can be closed rapidly and remotely in the event of an emergency such as a fire.Astop valvesBnon-return valvesCquick closing valvesDrelief valves
单选题When sailing in cold zones, the（） should be drained of water.Athe ventilation pipeBthe water line for fire fighting on the deckCthe fuel oil lineDthe water supplying line in bath room
单选题When sailing in cold zones, the（） should be heated.Athe steering gear roomBthe fire fighting pipe lineCthe fuel oil tankDthe bath room
单选题After the ship is out of the harbour and in “Full Speed”, well change （）.Ato fuel oil instead of diesel oilBfor fuel oil instead of diesel oilCto diesel oil into fuel oilDfor diesel oil into fuel oil
单选题When occurring a fire in the scavenge air box, the following measures should be taken except for（）Areducing speed to SLOW and asking bridge for permission to stopBstopping the fuel oil supplyCswitching-on the auxiliary blowersDputting the scavenge air box fire extinguishing equipment into function
单选题What is the best title for this passage?AThe Dangers of a Fire.BThe Cause of a Fire.CLearn to Use a Fire Extinguisher.DBe Ready for a Fire.