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单选题
A fire starting by spontaneous combustion can be expected in which condition?（）.
A
Paints，varnish，or other liquid flammables are stowed in a dry stores locker
B
Inert cargoes such as pig iron are loaded in a wet condition
C
Oily rags are stowed in a metal pail
D
Clean mattresses are stored in contact with an electric light bulb
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更多 “单选题A fire starting by spontaneous combustion can be expected in which condition?（）.A Paints，varnish，or other liquid flammables are stowed in a dry stores lockerB Inert cargoes such as pig iron are loaded in a wet conditionC Oily rags are stowed in a metal pailD Clean mattresses are stored in contact with an electric light bulb” 相关考题
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Fires resulting from spontaneous(自发的) combustion are usually caused by the improper disposal of______.A.cigarette butts(烟头)B.oily ragsC.burner torchesD.lighted matches
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______ is the most liable to spontaneous combustion．A.CementB.ChinawareC.Fish mealD.Steel products
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Fire protection regulations for towing vessels require all crew members to know how to perform each of these tasks EXCEPT ______．A.Start the mechanical ventilation system for the engine roomB.Operate the fuel shut-off for the engine roomC.Operate all fire extinguishing equipment aboard the vessel on board the vessel，including starting the fire pumpD.All of the above
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A fire starting by spontaneous combustion can be expected in which condition? ______.A.Paints, varnish, or other liquid flammables are stowed in a dry stores lockerB.Inert cargoes such as pig iron are loaded in a wet conditionC.Oily rags are stowed in a metal pailD.Clean mattresses are stored in contact with an electric light bulb
考题
单选题Spontaneous combustion could occur in（）A
paint thinner in an open canB
fuel accumulation in the bilgeC
oily rags in an unvented compartmentD
gasoline stored in steel drums
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单选题Fires resulting from spontaneous combustion are usually caused by the improper disposal of（）.A
cigarette buttsB
oily ragsC
burner torchesD
lighted matches
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单选题The most likely place for a fire to start through the process of spontaneous combustion is in （）.A
an electrical switchboardB
the pressure tanksC
the fuel oil tanksD
the oily rag bin
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单选题Fire protection regulations for towing vessels require all crew members to know how to perform each of these tasks EXCEPT（）.A
start the mechanical ventilation system for the engine roomB
operate the fuel shut-off for the engine roomC
operate all fire extinguishing equipment aboard the vessel on board the vessel，including starting the fire pumpD
All of the above
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单选题The atmosphere in a tank is too lean if it is（）.A
incapable of supporting combustion because the hydrocarbon content is below the LFL (Lower Flammable Limit)B
capable of supporting combustion because the hydrocarbon content is above the UFL (Upper Flammable Limit)C
capable of supporting a fire once startedD
not safe for ballasting
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单选题Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.A
a shortened ignition delay periodB
a lean fuel/air mixtureC
excess fuel in the combustion chamberD
rapid vaporization of injected fuel droplets
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单选题For a fire to begin there must be present a combustible material, oxygen or air to （）combustion, and a source of heat at a temperature high enough to start combustion.A
beginB
supportC
lastD
extinguish
考题
单选题A fire must be ventilated（）.A
when using an indirect attack on the fire such as flooding with waterB
to prevent the gases of combustion from surrounding the firefightersC
to minimize heat buildup in adjacent compartmentsD
if compressed gas cylinders are stowed in the compartment on fire
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单选题Ventilation systems connected to a compartment in which a fire is burning are normally closed to prevent the rapid spread of the fire by（）.A
convectionB
conductionC
radiationD
spontaneous combustion
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单选题Spontaneous ignition can result from（）.A
an unprotected drop-light bulbB
careless disposal or storage of materialC
smoking in bedD
worn electrical wires on power tools
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单选题The most important principle in the stowage is（）.A
to ensure the safety of the ship and protect the cargo from being damagedB
to avoid the rearrangement of the cargo loaded on boardC
to reject the damaged cargo during loadingD
to prevent the spontaneous combustion of coal and grain
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单选题Since the burning or combustion takes place within the engine itself, the engine is known as （）.A
a fire -tube boilerB
an internal combustion engineC
an external combustion engineD
an internal combustion generator
考题
单选题（）is the most liable to spontaneous combustion.A
CementB
ChinawareC
Fish mealD
Steel products
考题
单选题The most important principle in the cargo stowage is（）.A
to avoid the rearrangement of the cargo loaded on boardB
to ensure the safety of the ship and cargoC
to reject the damaged cargo during loading operationD
to prevent the spontaneous combustion of the coal and grain
考题
单选题For cargoes（）grain meals,coal,ventilation is needed to prevent them（）spontaneous combustion.A
i.e./ofB
for instance/awayC
for example/offD
such as/from
考题
单选题In which of the areas listed is a fire resulting from spontaneous combustion most likely to occur?（）A
Engine room bilgesB
Paint lockerC
Battery storage lockerD
Fuel oil tank
考题
单选题A fire starting by spontaneous combustion can be expected in which condition?（）.A
Paints, varnish, or other liquid flammables are stowed in a dry stores lockerB
Inert cargoes such as pig iron are loaded in a wet conditionC
Oily rags are stowed in a metal pailD
Clean mattresses are stored in contact with an electric light bulb
考题
单选题The diesel engine must be started before it can run by it self For this purpose （） has to be used.A
a starting systemB
the starting airC
a starting operationD
A, B and C
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