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在线测试： Test for seamans about Container Fires (CBT)
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该测试由 80 个随机问题组成。
有关此主题的总问题： 99
有关此主题的总问题： 99
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What precautions are recommended when carrying Calcium Hypochlorite? Select all applicable answers:
Containers should be stowed on-deck.
Containers should be stowed clear of living quarters.
Containers should be stowed on-deck, away from sources of heat.
Containers should be stowed under-deck.
回答
What determines “Class”, with respect to the carriage of dangerous cargo?
The nature of the cargo.
The property of the cargo as determined by scientific tests.
The susceptibility of a substance to catching fire.
The hazard, or most predominant hazard, the cargo presents during carriage.
What are the characteristics of scrap metal? Select all applicable answers:
It presents a low fire-risk except when mixed with swarf.
It is likely to heat up due to vibration and friction.
It is likely to heat up when loaded wet.
It is liable to spontaneous heating.
回答
What are the advantages of using mobile high expansion foam generators when fighting container fires? Select all applicable answers:
Foam can reach the heart of a container fire.
Foam can be used in a hold, where a ship’s hatch covers have been damaged.
Large spaces can be flooded in a relatively short time.
Some types of high expansion foam generator can be left unattended at the scene of fire.
回答
What dangers are associated with the carriage of empty tank containers? Select all applicable answers:
They are not properly labelled.
They are not always empty and have been found to contain cargo residues.
An empty container could produce dangerous air-vapour mixtures.
When stowed close to a burning container there could be a high risk of explosion.
回答
What general precautions should be exercised so as to minimise a fire risk on board ship? Select all applicable answers:
Never commence fire-fighting operations without master’s orders.
Never carry out repairs in any compartment containing explosives.
Special care should be exercised when carrying out repairs in adjacent compartments.
Never carry out welding in cargo spaces, unless in an emergency.
回答
What personal injuries can burning anhydrouns ammonia cause? Select all applicable answers:
Severe burns, upon contact.
Loss of eyesight.
Severe damage to respiratory membranes.
Numbness.
回答
What is the fourth element in the fire tetrahedron? Select all applicable answers:
A combination of fuel, heat and oxygen.
Combustible material.
The sustaining chemical reaction.
Combustion.
回答
What is a proper shipping name? Select all applicable answers:
A name provided by a shipper.
The technical name of a product listed in column 2 of the IMDG.
A Not Otherwise Specified name.
An abbreviated trade name.
回答
A flammable liquid, which is also toxic, appears on a shipper’s declaration as class 3 (sub risk class 6.1). What would be the main concern to fire-fighters? Select all applicable answers:
The flammability of the substance.
Fire-fighting procedures associated with IMDG class 3 goods.
The toxicity of the substance.
Fire-fighting procedures associated with IMDG class 6 goods.
Fire-fighting procedures associated with IMDG classes 3 and 6 goods.
回答
Which of the following options could be considered to be elements of a fire triangle? Select all applicable answers:
Heat.
Fuel.
Oxidising agent.
Oxygen.
Combustible material.
回答
If water ingresses into a container of drums, containing chemical wastes, what could be a source of ignition? Select all applicable answers:
Sparking.
Heat.
Friction between the cargo and packaging.
Contact between the cargo and the drum wall.
回答
By what is a dangerous substance listed in the IMDG Dangerous Goods List?
Proper Shipping Name (PSN).
Trade name.
PSN and subsidiary name.
Abbreviated trade name.
When should a container not be accepted on board?
When you can see that there is leakage of content.
When there is no accompanying container certificate.
When you can see that the seal is damaged.
When you see indentations on the container.
回答
What hazards are associated with the carriage of Ammonium Nitrate? Select all applicable answers:
It decomposes, emitting flammable vapours.
It starts heating uncontrollably.
It can burn vigorously or explode.
At certain temperatures it emits toxic fumes.
回答
In general, what would extinguish corrosive substances on fire? Select all applicable answers:
Foam.
Water.
Dry powder.
Any extinguishing medium.
回答
In the EmS column of the IMDG Code, what is F-H?
Non-water-reactive flammable liquids.
Water-reactive substances.
Explosive substances and articles.
Oxidising substances with explosive potential.
What needs to be displayed on a fumigated container? Select all applicable answers:
The IMDG fumigation warning sign.
The name of the fumigant.
The date the fumigant was applied.
The name of the shipper.
The name of the consignee.
回答
Which class of dangerous goods is associated with the term “Flashpoint”?
Flammable Solids.
Flammable or inflammable liquids.
Explosives.
Oxidising substances.
With what would you extinguish a calcium hypochlorite container fire?
Water.
Dry chemicals.
Dry powder.
Foam.
How many fire hose teams are generally required to cool containers effectively?
One.
Two.
Three.
Four.
Which of the following is recommended for tackling small fires involving flammable solids? Select all applicable answers:
Using water extinguishers.
Using steam.
Using foam extinguishers.
Using sand.
Using neutralising powders.
回答
With respect to oxidising substances, what makes fire-fighting difficult? Select all applicable answers:
The emission of oxygen.
The supply of oxygen.
The likelihood of an explosion.
The rapid spread of fire.
回答
A container of scrap metal catches fire. What should be your first reaction?
Open the container vents.
Seal the container vents.
Cool the container.
Flood the container with water.
What information would you find in the introduction to the EmS Guide? Select all applicable answers:
Preparations to minimise and/or reduce a fire risk on board.
Steps to identify the dangerous good(s) and their properties in the event of a fire.
Steps to be taken to cool and exclude oxygen when fighting a fire.
Significant steps to be taken when responding to a dangerous goods fire.
回答
What is the correct fire-fighting procedure associated with burning Ammonium Nitrate? Select all applicable answers:
Spray the exterior surfaces of burning containers with water.
Use thermal protective wear.
Approach the containers from downwind.
Approach the containers from upwind.
Use self-contained breathing apparatus.
Flood burning containers with water.
回答
What facilities fire-fighters in getting closer to burning forty-foot containers, on-deck?
The lashing bridge.
Water mist lances.
The foam generator.
Self-contained breathing apparatus.
When heavier-than-air gases escape from burning containers, where would you expect these gases to settle?
At the bottom of containers.
Somewhere at a low level, on deck.
Somewhere around the accommodation, on deck.
Over the tank top, in a cargo hold.
In warm climates, above the containers.
回答
With regard to containers, what general precautions should be exercised? Select all applicable answers:
Rusty containers should be rejected.
Damaged or leaking containers should be rejected.
Reefer container power cables should be in good condition.
Container sides must not permit the passage of vapours.
回答
Under SOLAS, what is the requirement for cargo manifests, for ships carrying dangerous goods? Select all applicable answers:
There must be a special list that sets forth the dangerous goods on board.
The list must show the location of dangerous goods on board.
There must be a manifest that sets forth the dangerous goods on board.
The manifest must show the location of dangerous goods on board.
A detailed stowage plan may be carried.
Ships must carry a special list, manifest and a detailed stowage plan of dangerous goods on board.
回答
What should you remember when fighting chemical fires? Select all applicable answers:
Liquid chemicals may turn to gas.
Solid chemicals may turn to liquid or gas.
Many chemicals provide their own oxygen.
Heated chemicals leaking from a container could ignite cargoes in the containers below.
Chemical fires are very difficult to control.
回答
What hazards are associated with the carriage of Calcium Hypochlorite? Select all applicable answers:
The cargo can explode.
The cargo can decompose and emit heat.
The cargo can emit both heat and oxygen affecting other containers.
A cargo fire cannot be extinguished.
回答
Under burning cargo has been positively identified, what must you do? Select all applicable answers:
Cool adjacent containers.
Maintain a safe distance from the container on fire.
Fight the fire from as close as possible.
Use at least two fire-fighting teams.
Await master’s orders.
回答
By what other names is Calcium Hypochlorite shipped? Select all applicable answers:
B-K Powder.
Bleaching powder.
Calcium hypochloride.
Calcium oxychloride.
Chloride of lime.
Chlorinated lime.
回答
With respect to personnel protection for ships carrying dangerous goods, what do the SOLAS regulations require, in additional to the normal carriage requirement? Select all applicable answers:
There must be four complete sets of protective clothing.
Protective clothing must be resistant to chemical attack.
Protective clothing must cover every part of the body.
There must be two additional sets of breathing apparatus on board.
Each set of breathing apparatus must have two spare charges.
Cargo ships that can recharge air cylinders need carry only one spare charge for each breathing apparatus.
回答
For ships carrying poisonous substances, what does the IMDG Code provide? Select all applicable answers:
Fire-fighters should wear protective clothing.
Fire-fighters should use self-contained breathing apparatus.
Fire-fighters should stay as far as possible from such substances.
Fire-fighters should spray burning containers with water.
Fire-fighters should allow a fire to be extinguished on its own.
回答
In the IMDG EmS column, what does the first EmS code refer to?
The relevant spillage schedule of a particular substance.
The relevant fire schedule of a particular substance.
The properties of a particular substance.
The relevant sub-class of “Explosives” of a particular substance.
When cooling a burning container of organic peroxides, what precaution should be exercised?
Stay as far away as possible.
Penetrate the container sidewalls.
Flood the container.
Have another fire-fighting team on stand-by.
What must a fire-fighter wear prior to entering an enclosed space? Select all applicable answers:
Proper footwear.
Safety helmet.
Self-contained breathing apparatus.
Protective clothing.
A gas mask.
回答
Why are fumigated units classified as dangerous goods? Select all applicable answers:
They have not been ventilated.
Harmful concentrations of gases remain within them.
Their doors have not been opened.
They contain pesticides.
回答
What are the dangers of burning containers, with regard to fire-fighters? Select all applicable answers:
The containers may be too high up in the stack.
Containers could collapse onto the fire-fighters.
Cargo explosions may shatter containers.
Burning containers could fall overboard.
回答
Which of these cargoes can ignite spontaneously, leading to an explosion? Select all applicable answers:
Acetylene.
Paint in drums.
Steel swarf.
Zinc skimming’s.
Direct reduced iron.
回答
What is the greatest risk in the handling and transport of goods of class 1? Select all applicable answers:
The cargo being carried in package form.
Fire from a source external to the goods.
Explosions.
Hazards to personnel.
回答
What is a combustion triangle? Select all applicable answers:
A heat-fuel-oxygen triangle.
A fire triangle.
A model to understand the ingredients necessary for most fires.
A model to understand the ingredients necessary for container fires.
A model to understand the ingredients necessary for shipboard fires.
回答
In general, how would a rise in temperature affect hazardous chemicals? Select all applicable answers:
By heating the carrying containers.
By building up vapour pressures inside drums, or packages.
By de-stabilising chemical wastes.
By causing sparks – a source of ignition.
回答
With reference to the text, what are oxidising substances sensitive to? Select all applicable answers:
Chemical Reactions.
Impact.
Spontaneous ignition.
Rise in temperature.
Decomposition under certain conditions.
回答
Which of the following options could be considered as a dangerous cargo chemical fire? Select all applicable answers:
Burning sodium.
Burning magnesium.
Burning potassium.
Burning paper.
Burning wood.
回答
What is the concern regarding water jets from fire hoses, reaching burning containers around the sixth tier?
There is no real concern.
The water jets will make the deck slippery and dangerous.
The water jets will turn into spray.
The water jets will be less effective than spray.
Once a container catches fire how would you expect the fire to spread, without the flames being affected by wind?
Downwards.
Sideways.
Upwards.
In all directions.
In the IMDG Code, how has the potential for harm to personnel, the environment or equipment been assessed? Select all applicable answers:
In terms of the chemical properties of dangerous goods.
In terms of the physical properties of dangerous goods.
In terms of the reactivity of dangerous goods.
In terms of the corrosiveness of dangerous goods.
In terms of the toxicity of dangerous goods.
In terms of the flammability of dangerous goods.
回答
What must a fire-fighter, wearing self-contained breathing apparatus, ensure?
That any space to be entered does not contain carbon dioxide gas.
That there is a backup team behind him.
That the mask is fitted properly.
That there is a fire burning below decks.
That dangerous goods are not on fire.
When fighting container fires what is the purpose of flooding empty tanks adjacent to or inside a cargo hold on fire, with seawater?
To prevent the spread of fire.
To cool down essential structures.
To cool down burning containers.
To prevent the ship from being damaged.
Where would you find a list of certain substances forbidden for transport?
In Chapter 6 of SOLAS 74.
In Chapter 3.3 of the IMDG Code.
In the appendix to the ISM Code.
In the United Nations Convention on Law of the Sea.
What are the additional fire safety measures for ships carrying dangerous goods? Select all applicable answers:
Segregation of dangerous goods.
Separation of dangerous goods from sources of ignition.
Provisions for appropriate personal protective equipment.
Provisions for fire protection systems to protect the ship from added fire hazards.
回答
When fighting container fires, what precautions should be taken? Select all applicable answers:
Oil tanks adjacent to a cargo hold on fire, should be drained.
Fire-fighters should keep count of those involved in fire-fighting operations.
Proper communication must be ensured at all times.
When affected by heat, fire-fighters must pull back.
At least two escape routes must be available when fighting under-deck fires.
回答
What would you expect could happen if water ingresses into a container of drums containing chemicals? Select all applicable answers:
There could be a reaction between the water and the cargo.
Hydrogen gas could be produced.
There could be an explosion.
There would not be a build-up of pressure.
回答
When mixed with which of these substances can an oxidising agent spontaneously ignite? Select all applicable answers:
Flour.
Sawdust.
Oils.
Sugar.
Swarf.
回答
To what substances does the term “Subsidiary Risk” apply? Select all applicable answers:
Substances that pose more than one hazard characteristic.
Substances that have a main and secondary hazard.
Substances that pose a risk.
Substances that ignite spontaneously.
回答
What mobile fire-fighting equipment could be used to aid fire-fighting operations on board? Select all applicable answers:
Water curtains.
Hi-ex generators.
Water mist lances.
Portable water monitors.
Deluge systems.
回答
Into how many hazard divisions are explosives sub-divided?
Three.
Four.
Five.
Six.
Where would you expect to find fire-fighting requirements for ships carrying dangerous goods?
In SOLAS chapter II-2.
In SOLAS chapter III.
In SOLAS chapter VII.
In MARPOL chapter II.
Which element of the fire triangle is most easily removed when fighting a container fire, on deck?
Oxygen.
Fuel.
Heat.
Combustible material.
What are the concerns when using carbon dioxide gas, for extinguishing under-deck fires aboard mega carriers? Select all applicable answers:
The supply of carbon dioxide gas is severely limited.
Carbon dioxide may be ineffective in extinguishing under-deck fires.
Large amounts of carbon dioxide gas are required.
The gas may leak via the hatch seals.
回答
In the EmS column of the IMDG Code, what is F-B?
Non-water-reactive flammable liquids.
Water-reactive substances.
Explosive substances and articles.
Oxidising substances with explosive potential.
What are the advantages of the more robust types of water mist lances? Select all applicable answers:
They can penetrate steel containers.
They can reach the heart of the fire.
They supplement the use of fire hoses.
They can replace fire hoses.
They provide a form of protection to fire-fighters.
回答
With respect to container fire-fighting operations on board, what is the concern regarding megaships? Select all applicable answers:
There are fixed innovation systems on board.
The fixed innovation systems make fire-fighting operations easier.
The larger crews also make fire-fighting operations easier.
As these ships become bigger, their crews become smaller.
Fire-fighting operations are extremely labour-intensive.
回答
By what criteria are explosives sub-classed, under the IMDG Code? Select all applicable answers:
The extent of risk whilst carrying in package form.
The extent of risk whilst carrying in containers.
The degree of hazard.
The nature of hazard.
回答
A ship’s response to a container fire will be carried out in accordance with the shipboard emergency plan. Where will you find more detailed procedures for fighting container fires?
SOPEP manual.
SOLAS 74.
IMDG EmS Guide.
Ship’s fire plan.
What is the advantage of using the water screen over a conventional fire hose when fighting container fires? Select all applicable answers:
It can deliver water in a vertical range, of up to twenty meters.
It is made of more robust material than a fire hose.
It is guaranteed to extinguish container fires.
It allows fire-fighters to keep well clear of burning containers.
回答
Which criteria are used together for assigning packaging groups to flammable liquids? Select all applicable answers:
Nature of hazard.
Boiling point.
Flashpoint.
Viscosity.
Element of risk.
回答
What are “combustible” substances? Select all applicable answers:
Substances capable of ignition.
Substances capable of burning.
Substances that can be set on fire.
Substances that can burn easily.
回答
Why are escaping gases from containerised cargoes, dangerous? Select all applicable answers:
Because, if conditions are favourable, they may cause an explosion.
Because they may give rise to explosive mixtures with air.
Because they give no warning of an outbreak of fire.
Because they pressurise the container walls.
回答
What is the correct fire-fighting procedure associated with burning Anhydrous Ammonia? Select all applicable answers:
Restrict cargo ventilation.
Lightly spray the exterior surfaces of burning containers with water.
Ventilate the fire.
Use dry chemical fire extinguishers.
Use self-contained breathing apparatus.
回答
Why is it necessary to wear self-contained breathing apparatus prior to entering a cargo hold? Select all applicable answers:
Because of the company’s safety procedures.
Because undeclared containers may have been shipped in hazardous condition.
Because there could be methyl bromide gases present.
Because phosphine gas could be present.
Because excessive carbon dioxide gas could be present.
Because of the ISM Code requirements.
回答
What are spontaneously combustible substances? Select all applicable answers:
Substances with a potential to self-heat.
Substances with a potential to self-ignite.
Substances liable to heat when in contact with air.
Substances liable to catching fire.
Substances liable to explosion.
回答
What are the limitations of a lashing bridge, with respect to container fire-fighting operations?
It does not allow fire-fighters access to both ends of reefer containers.
It does not allow fire-fighters access to both ends of forty-eight foot containers.
It does not allow fire-fighters access to both ends of forty-foot containers.
It does not allow fire-fighters access to both ends of twenty-foot containers.
Where would you expect to find the “Class” of a particular dangerous cargo? Select all applicable answers:
In the ship’s stowage plan.
In the Dangerous Goods Manifest.
In the IMDG Code.
In the IMDG Dangerous Goods List.
回答
What are flammable solids liable to? Select all applicable answers:
Deterioration.
Emitting hydrogen.
Spontaneous combustion.
Emitting flammable gases.
回答
What are some of the major shipboard concerns when fighting container fires? Select all applicable answers:
Deciding upon a safe distance from which to fight a fire.
Not knowing whether there are stowaways in containers.
The possibility of a sudden flare-up of under-deck fires.
Communications.
回答
What would happen if you were to direct a jet of water onto an electrical fire? Select all applicable answers:
Electricity could be conducted back to the fire-fighter.
The water would permanently extinguish the fire.
The water would help spread the fire.
The water could turn into steam.
回答
Тест проверяет знания по предотвращению и тушению пожаров в контейнерах на контейнеровозах, а также меры предосторожности при перевозке опасных грузов.
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