Water is used to put out （）(普通火).A、common fireB、electric fireC、oil fireD、fire
Water is used to put out （）(普通火).
- A、common fire
- B、electric fire
- C、oil fire
- D、fire
相关考题：
Dry powder is used to put out ________A.electrical fireB.oil fireC.common firesD.all kinds of fires
What type of extinguisher should be used for an electric fire? ________A.CO2B.FormC.WaterD.Water and Form
The sprinkler system of an enclosed lifeboat is used to ______.A.cool the craft in a fireB.cool the engineC.spray oil on the sea to calm itD.spray personnel during a fire
All portable fire extinguishers must be capable of being ______.A.carried by hand to a fireB.carried or rolled to a fireC.recharged in the fieldD.used on class “B” fire
Halon extinguishes a fire by ______.A.breaking the chain reactionB.smothering the fireC.cooling the fireD.coating the fuel with a nonflammable surface
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
An electrical fire should be put out by dry powder. （）A、电火应该使用干粉扑灭。B、木火应该用干粉扑灭。C、油火应该用干粉扑灭。D、普通火应该用干粉扑灭。
单选题When fighting an oil or gasoline fire in the bilge，which of the following should NOT be used?（）AFoamBSolid stream water nozzleCAll-purpose nozzleDCarbon dioxide
单选题Before attempting to put out a class “C” fire involving an electric-driven centrifugal pump, you should FIRST （）.Ainsulate your shoesBground the fire hoseCsecure its power supplyDstart the fire pump
单选题An electric heater built into some smaller diesel engines is used to （）.Araise lube oil viscosity for easier starting in cold weatherBincrease air inlet temperatureCincrease compression ratioDincrease jacket water temperature for easier starting in cold weather
单选题When there is a fire in a large electric motor, normally the very FIRST step is to （）Asecure the electric supplyBventilate area to remove smokeCstart the fire pump and lead out hoseDapply foam
单选题Oil water separators are used to ensure that ships dont discharge oil when pumping out （）.Aballast waterBboiler waterCbilge waterDsewage water
单选题（）are used to ensure that ships don’t discharge oil when pumping out oily water from any oil contaminated space.ABoilerBIncineratorCOily water separatorDSewage treatment unit
单选题According to the SOLAS convention, the bilge water system （）Amust connect the bilge well suction directlyBshould not pump out the water accumulated in the cargosCshould not used for emergency drainage in case of ship collisionDshould connect to the fire fighting system directly
单选题Oil water separators are used to ensure that ships don’t discharge oil when （） bilge water.Ato pump offBbeing pumpedCpumping outDit pumping out
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An electrical fire should be put out by dry powder. （）A电火应该使用干粉扑灭。B木火应该用干粉扑灭。C油火应该用干粉扑灭。D普通火应该用干粉扑灭。
单选题If in doubt as to the true water level when a boiler is being oil-fired, you should （）.Atake no measuresBextinguish the fire as soon as possibleCfeed water to the boilerDopen the blow down valve
单选题As for an oil-fired boiler if at a normal steaming condition and water goes out of sight in gauge glasses the action you should take is: （） (1) secure oil to fires (2) increase feed pump pressureA（1）B（1）and（2）C（2）Dneither（1）nor（2）
单选题Water is used to put out （）.Aoil fireBelectrical fireCcommon fireDspecial fire