网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
Which substance might be subject to spontaneous combustion ________．
A.Coal
B.Scrap rubber
C.Leather
D.All of the above
参考答案
更多 “ Which substance might be subject to spontaneous combustion ________．A.CoalB.Scrap rubberC.LeatherD.All of the above ” 相关考题
考题
(c) Explain the reasons for the concerns of the government of Happyland with companies such as TMC andadvise the directors of a strategy that might be considered in order to avoid being subject to any forthcominglegislation concerning the environment. (5 marks)
考题
A subject_____is the mechanism of that equipment.
A、which there continues to be intense debateB、what continues to be intense debateC、which continues to be intense debateD、on which it continues to be intense debate
考题
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
考题
Spontaneous combustion is caused by ______．A.An outside heat source heating a substance until it ignitesB.Conduction of heat through a wall of material to the substanceC.Chemical action within a substanceD.All of the above
考题
Which statement is TRUE concerning the flash point of a substance ________．A.It is lower than the ignition temperatureB.It is the temperature at which a substance will spontaneously igniteC.It is the temperature at which a substance，when ignited，will continue to burnD.It is the temperature at which the released vapors will fall within the explosive range
考题
______ is the most liable to spontaneous combustion．A.CementB.ChinawareC.Fish mealD.Steel products
考题
Atmospheres laden with coal dust or grain dust caused by loading these cargoes ______．A.require loading operations to be shut down until the atmosphere clearsB.are toxic to human lifeC.are subject to spontaneous combustionD.may be explosive in some concentrations
考题
You are scheduled to load a bulk shipment of steel turnings．Which statement is TRUE ________．A.The primary hazard of this cargo is that it is subject to spontaneous heating and ignitionB.The shipping papers should describe this cargo as Waste，Steel BoringsC.After loading，you may not sail if the temperature in each hold of steel turnings exceeds 54℃D.This cargo may not be transported in bulk unless a special permit is issued by the competent authorities
考题
The lowest temperature required to cause self-sustained combustion of a substance independent of any outside source of ignition is called ______．A.Explosive rangeB.Flash pointC.Ignition temperatureD.Combustion temperature
考题
Which molten substance is poured into the basket of a wire rope socket being fitted to the end of a wire rope ________．A.BabbittB.BronzeC.LeadD.Zinc
考题
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
Which of the following may be the disadvantages of road transport？（）A、Transport subject to traffic delaysB、Transport subject to breakdownC、Goods susceptible to damage through careless drivingD、Bad weather
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
考题
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
考题
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
考题
单选题Atmospheres laden with coal dust or grain dust caused by loading these cargoes（）.A
require loading operations to be shut down until the atmosphere clearsB
are toxic to human lifeC
are subject to spontaneous combustionD
may be explosive in some concentrations
考题
单选题The lowest temperature required to cause self-sustained combustion of a substance independent of any outside source of ignition is called （）.A
explosive rangeB
flash pointC
ignition temperatureD
combustion temperature
考题
单选题Which condition is necessary for a substance to burn?（）A
The temperature of the substance must be equal to or above its fire pointB
The air must contain oxygen in sufficient quantityC
The mixture of vapors with air must be within the explosive rangeD
All of the above
考题
单选题Which of the following statements is correct concerning the “flash point ” of a liquid?（）A
It is lower than the ignition temperatureB
It is the temperature at which a substance will spontaneously igniteC
It is the temperature at which a substance, when ignited, will continue to bumD
It is the temperature at which the released vapors will fall within the explosive range
考题
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
考题
单选题Which of the combustion parameters listed is used in a diesel engine, but NOT related to the injection system?（）A
AtomizationB
MeteringC
Effective strokeD
Penetration
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 substance found in residual fuels which tends to cause exhaust valve corrosion and grooving, is（）A
carbonB
vanadiumC
calciumD
hydrogen
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
热门标签
最新试卷