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）
Fires resulting from spontaneous(自发的) combustion are usually caused by the improper disposal of______.
A.cigarette butts(烟头)
B.oily rags
C.burner torches
D.lighted matches
参考答案
更多 “ 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 ” 相关考题
考题
WE regret that we have suffered heavy loss()your improper packing.
A、resulted fromB、resulted inC、resulting fromD、resulting in
考题
The Smokey Bear(护林熊) fire prevention program has resulted in a savings of $20 billion on all federal(联邦的), state and private forested land(私有林地). In 1941, 208,000 forest fires burned 30 million acres, while in 1981, fewer than 165,000 fires burned about three million acres. While forest usage has increased, the proportion(比例) of human-caused fires has remained stable; people still cause nine out of ten forest fires. But the biggest cause of fires is arson(纵火), accounting for(引起) 34 percent of forest fires in 1981.1. According to the passage, use of forested land has ____.A、stabilizedB、been privatizedC、decreasedD、risen2. According to the passage, in 1941 forest fires burned ____.A、less acres than in 1981B、3 million acresC、ten times as many acres as in 1981D、20 million acres more than in 19813. According to the passage, the number of human-caused fires ____.A、has remained the same proportionatelyB、has increasedC、is the same as the arson casesD、accounts for 34 per cent of forest fires4. According to the passage, which of the following statements is true?A、Nine out of ten fires are caused by arsonists.B、The Smokey Bear program has saved the nation a lot of money.C、There are more forest fires now than before.D、People do not use the forests as much as they did in the past.5. It may be inferred from the passage that ____.A、the majority of fires are caused by humansB、arson is increasing every yearC、more acres are destroyed by fire each yearD、fewer people are using the forests
考题
If the flame from combustion in the cylinder of a four-stroke engine past the piston into the space below, the accumulation of flammable mixture would be ignited, thus resulting in _____.A.the crankcase explosionB.lifting of the cylinder safety valveC.a scavenge fireD.opening of the manhole
考题
Owners are to be responsible for loss of or damage to the goods or delay in delivery of the goods only in case the loss，damage or delay has been caused by the improper or negligent stowage of the goods．This means that ______.A.Owners are to be responsible for loss or damage even such loss or damage is not caused by the improper stowageB.Owners are only responsible for the loss or damage or delay caused by improper or negligent stowage．C.Both A and B are rightD.Both A and B are wrong
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
______ is the most liable to spontaneous combustion．A.CementB.ChinawareC.Fish mealD.Steel products
考题
Which substance might be subject to spontaneous combustion ________．A.CoalB.Scrap rubberC.LeatherD.All of the above
考题
The most frequent cause of fires aboard tankers is due to ______．A.Improper gas freeingB.Leaking of cargo pump glandsC.Tobacco smokingD.Spontaneous combustion
考题
Which of the following coverage usually covers partial loss or damage resulting from natural calamities？（）A、ICC（B）B、All risksC、WAD、FPA
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White smoke exhausting from a diesel engine can be caused by （）A
low combustion temperatureB
a leaking fuel nozzle check valveC
late fuel injectionD
plugged oil-scraper ring hole
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White smoke exhausting from a diesel engine can be caused by a （）A
high combustion temperatureB
high compression pressureC
cracked cylinder linerD
fuel with a high vanadium content
考题
单选题The diameter of a piston is usually less at the crown than at the skirt, in order to （）.A
facilitate the installation of piston ringsB
allow for the expansion of the piston during operationC
prevent crankcase vapors from entering the combustion chamberD
reduce wearing of the upper cylinder liner
考题
单选题Owners are to be responsible for loss of or damage to the goods or delay in delivery of the goods only in case the loss，damage or delay has been caused by the improper or negligent stowage of the goods．This means that（）.A
Owners are to be responsible for loss or damage even such loss or damage is not caused by the improper stowageB
Owners are only responsible for the loss or damage or delay caused by improper or negligent stowageC
Both A and B are rightD
Both A and B are wrong
考题
单选题High exhaust temperature and black smoke exhausting from an auxiliary diesel engine can be caused by （）.A
engine overloadB
low combustion temperatureC
plugged fuel nozzle holesD
excessive compression pressure
考题
单选题The above-mentioned damage has caused from improper fitting so that we （） you （） for making compensation.A
hold；responsibilityB
ask；responsibilityC
hold；responsibleD
require；responsible
考题
单选题Because of the resulting higher pressures in the cylinder from the combustion of this greater mass of fuel, and the larger diameters, the liner must be made （） at the top to accommodate the higher stresses, and prevent cracking of the material.A
thinnerB
thickerC
smootherD
rougher
考题
单选题If the flame from combustion in the cylinder of a four-stroke engine past the piston into the space below, the accumulation of flammable mixture would be ignited, thus resulting in （）.A
the crankcase explosionB
lifting of the cylinder safety valveC
a scavenge fireD
opening of the manhole
考题
单选题The longer the ignition delay period resulting from improper use of low cetane fuel, the （）A
less fuel will enter the cylinderB
higher the cylinder combustion temperatureC
more complete the fuel combustionD
more rapid the rise in combustion pressure
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（）is the most liable to spontaneous combustion.A
CementB
ChinawareC
Fish mealD
Steel products
考题
单选题Sludge formation in a diesel engine lube oil system is caused by（）A
carbonization of oils from the combustion chambersB
emulsions of lube oil and waterC
coagulation of unburned fuel below the piston ringsD
all of the above
考题
单选题Black smoke coming from a boiler can be caused by （）.A
low water levelB
low oil pressureC
excessively high fuel pressureD
an improper air/fuel ratio
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
热门标签
最新试卷