Halogenated hydrocarbon， Halon in short form，is used on board ship as ________ ．A.fire-extinguishing mediumB.a standard fire testC.a non-combustible materialD.a fire main
Halogenated hydrocarbon， Halon in short form，is used on board ship as ________ ．
A.fire-extinguishing medium
B.a standard fire test
C.a non-combustible material
D.a fire main
相关考题：
In ILO Convention，Hours Of Work means ______．A.any time on board the shipB.short breaksC.time outside hours of workD.time during which seafarers are required to do work on account of the ship
Each ship having an inert gas system must have a portable instruments to measure concentrations of hydrocarbon vapor in inert atmospheres and also to measure ______.A.nitrogenB.oxygenC.carbon dioxideD.water vapor
水手应该知道船上吊杆的安全工作负荷。（）A、Sailors should know the SWL of cranes on board their ship.B、Sailors should know the SWL of derricks on board their ship.C、Officers should know the SWL of derricks on board their ship.D、Officers should know the SWL of cranes on board their ship.
CO2 and Halon extinguishers are used for electrical fire, as well as （）fire.A、commonB、oilC、electricalD、chemical
船舶的舱盖有多种类型。（）A、There are several types of hatch covers on board ship.B、There are several types of hatches on board ship.C、There is one type of hatches on board ship.D、There is one type of hatch covers on board ship.
The most common kinds of （）used on board ship are as follows: primer coat, undercoat, topcoat, heat-resistant paint, varnish and anti-fouling paint.A、cement washB、bitumenC、paintD、varnish
在船上，打扫卫生是经常性工作。（）A、Cleaning is a frequent job at sea.B、Painting is a frequent job on board a ship.C、Cleaning is a frequent job on board a ship.D、Repairing is a frequent job on board a ship.
接待来船办理业务的人员。（）A、Receive the PSC inspector who wants to see our captain.B、Receive the visitors who come on board to look around the ship.C、Receive the persons who come on board to do their business.D、Receive the ship chandler who wants to come to our ship.
单选题船舶的舱盖有多种类型。（）AThere are several types of hatch covers on board ship.BThere are several types of hatches on board ship.CThere is one type of hatches on board ship.DThere is one type of hatch covers on board ship.
单选题（）on board ship are used to control and distribute the electrical energy generated by generators.AGovernorsBAlternatorsCBlackboardsDSwitchboards
单选题船上的船员属于三个部门：甲板部、轮机部和事务部。（）ASeamen on board the ship are in two departments: Deck Department, Engine Department.BSeaman on board the ship are in two department: Deck Department, Engine Department and Service Department.CThe Deck Department and the Engine Department are the two departments.DSeamen on board the ship are in three departments: the Deck Department, the Engine Department and the Service Department.
单选题When the ship security alert system is activated, it shall not（）Ainitiate a ship-to-shore security alertBtransmit a ship-to-shore security alertCinitiate an alert identifying the ship, its locationDraise a security alarm on-board the ship indicating that the ship is under threat
单选题（）means a plan developed to ensure the application of measures on board the ship designed to protect persons on board, cargo, cargo transport units, ship’s stores or the ship from the risks of a security incident.AShip security planBCompany security planCPort facility security planDNational security plan
单选题（）, so they are widely used on board ship nowadays.ADiesel engines have more advantages in comparison with gasoline enginesBDiesel engines have more advantages in comparison to gasoline enginesCGasoline engines have more advantages in comparison with diesel enginesDGasoline engines have more advantages in comparison to diesel engines
单选题Traditionally，the signal for fire aboard ship is（）.Amore than 6 short blasts and 1 long blast on the whistle，and the same signal on the general alarmBcontinuous sounding of the ship's whistle and the general alarm for at least 10 secondsC1 short blast on the whistleDalternating short and long blasts on the ship's whistle
单选题Compressed air is used on board ship for all the following purposes except （）.Astarting diesel enginesBpneumatic control systemsCpneumatic toolsDsupercharging air
单选题在船上，打扫卫生是经常性工作。（）ACleaning is a frequent job at sea.BPainting is a frequent job on board a ship.CCleaning is a frequent job on board a ship.DRepairing is a frequent job on board a ship.
单选题What type of electric motor is most commonly used on board ship?（）Anon-synchronous electric motorBsynchronous electric motorCfully enclosed electric motorDwatertight electric motor
单选题Halon from extinguishers used on a class B fire，should be directed（）.Aat the top of the flamesBat the base of the fire near the edgeCin short quick burstsDtoward the upwind side of the fire
单选题Due to the hazards involved with Halon extinguishers on a ship，the size II extinguisher may only be used（）.AoutsideBon class C firesCin an emergencyDon class B fires
单选题The signal given to commence lowering the lifeboats is（）.A3 short blasts of the ship's whistleB1 short blast of the ship's whistleC3 long blasts of the ship's whistleD1 long blast of the ship's whistle
单选题Each ship having an inert gas system must have a portable instruments to measure concentrations of hydrocarbon vapor in inert atmospheres and also to measure（）.AnitrogenBoxygenCcarbon dioxideDwater vapor
单选题What is the “R. V.’s” used for in for the retired Americans?Athey are used as home when they are out.Bthey are short form of recreational vehicles.Cthey are the only home for the travelers.Dthey are just transportation tools.