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）
单选题
Gasoline fumes tend to（）.
A
settle near the bottom of the bilge
B
settle near the top of the bilge
C
settle evenly throughout all levels of the bilge by mixing with air
D
disperse to atmosphere
参考答案
参考解析
解析：
暂无解析
更多 “单选题Gasoline fumes tend to（）.A settle near the bottom of the bilgeB settle near the top of the bilgeC settle evenly throughout all levels of the bilge by mixing with airD disperse to atmosphere” 相关考题
考题
The evergreen shrubs struggled to _________ the dust and fumes from the busy main road.
A. liveB. surviveC. fightD. resist
考题
Damage to cargo caused by fumes or vapors from liquids，gases，or solids is known as ______.A.contaminationB.oxidationC.taintingD.vaporization
考题
According to the Chemical Data Guide，what does ethyl chloride produce when ignited?A.Toxic fumes of oxides of nitrogenB.Toxic fumes of leadC.Poisonous phosgene gasD.Poisonous chlorine gas
考题
When one upbound vessel is overtaking another vessel and both are pushing a tow ahead，what reaction may you expect ________．A.Both towheads will tend to drift apart，and the overtaking vessel will be slowed downB.Both towheads will tend to drift together，and the overtaking vessel will be slowed downC.Both towheads will tend to drift apart，and the overtaken vessel will be slowed downD.Both towheads will tend to drift together，and the overtaken vessel will be slowed down
考题
Before starting a gasoline engine on a motorboat，you should make sure for safety that ______．A.The gasoline tank is fullB.The bilges，cabins，etc．are thoroughly ventilatedC.You have fresh water on boardD.Each of the above is followed
考题
Gasoline fumes tend to ______．A.Settle near the bottom of the bilgeB.Settle near the top of the bilgeC.Settle evenly throughout all levels of the bilge by mixing with airD.Disperse to atmosphere
考题
The tops of vents from gasoline tanks should terminate ______．A.in open airB.inside cabinsC.in machinery spaceD.underwater
考题
单选题The text suggests which of the following about air pollution?A
Further attempts to reduce emissions from gasoline-fueled vehicles will not help lower urban air-pollution levels.B
Attempts to reduce the pollutants that an individual gasoline-fueled vehicle emits have been largely unsuccessful.C
Few serious attempts have been made to reduce the amount of pollutants emitted by gasoline-fueled vehicles.D
Pollutants emitted by gasoline-fueled vehicles are not the most critical source of urban air pollution.
考题
单选题The shut off valve at the gasoline tank which can be operated from outside the tank space （）.A
controls the amount of gasoline to the engineB
shuts off the gasoline supply at the tankC
is used if the gasoline tank leaksD
All of the above
考题
单选题Gasoline tanks should be filled（）.A
to the top to expel all vapors from the tanksB
to the top so the operator is certain how much fuel he has aboardC
with only sufficient fuel for the planned trip so excess gasoline is not carriedD
to near the top with some space allowed for gasoline expansion
考题
单选题Gasoling fumes tend to（）.A
settle near the bottom of the bligeB
settle near the top of the bilgeC
settle evenly throughout all levels of the bilge by mixing with airD
disperse to atmosphere
考题
单选题Before starting a gasoline engine on a motorboat，you should make sure for safety that（）.A
the gasoline tank is fullB
the bilges，cabins，etc. are thoroughly ventilatedC
you have fresh water on boardD
Each of the above is followed
考题
单选题All of these alternatives are carbon-based fuels（）molecules are smaller and simpler than those of gasoline.A
whichB
whoC
whatD
whose
考题
单选题According to the text, incomplete combustion is more likely to occur with gasoline than with an alternative fuel because ______.A
the combustion of gasoline releases photochemical active hydrocarbonsB
the combustion of gasoline embraces an intricate set of reactionsC
gasoline molecules have a simple molecular structureD
gasoline is composed of small molecules
考题
单选题（）, so they are widely used on board ship nowadays.A
Diesel engines have more advantages in comparison with gasoline enginesB
Diesel engines have more advantages in comparison to gasoline enginesC
Gasoline engines have more advantages in comparison with diesel enginesD
Gasoline engines have more advantages in comparison to diesel engines
考题
单选题Before starting any diesel or gasoline engine，which of the following must be checked? （）A
Oil levelB
Flow of cooling waterC
Exhaust dischargeD
All of the above
考题
单选题A diesel engine is similar to a gasoline engine except that the former has no （）.A
cross-headB
cylinderC
connecting rodD
spark plug
考题
单选题An engine compartment gasoline fire requires which type of extinguisher?（）A
Carbon dioxideB
Dry chemicalC
FoamD
All of the above
考题
单选题When one upbound vessel is overtaking another vessel and both are pushing a tow ahead，what reaction may you expect（）.A
Both towheads will tend to drift apart，and the overtaking vessel will be slowed downB
Both towheads will tend to drift together，and the overtaking vessel will be slowed downC
Both towheads will tend to drift apart，and the overtaken vessel will be slowed downD
Both towheads will tend to drift together，and the overtaken vessel will be slowed down
考题
单选题According to the Chemical Data Guide，what does ethyl chloride produce when ignited?（）A
Toxic fumes of oxides of nitrogenB
Toxic fumes of leadC
Poisonous phosgene gasD
Poisonous chlorine gas
考题
单选题Gasoline fuel tank vents should terminate（）.A
in the engine compartmentB
in the fuel tank spaceC
above or outside the hullD
at the most convenient location
考题
单选题According to the relevant regulation, lifeboat should be powered by（）.A
inboard diesel engineB
outboard diesel engineC
outboard gasoline engineD
inboard gasoline engine
考题
单选题Damage to cargo caused by fumes or vapors from liquids，gases，or solids is known as（）.A
contaminationB
oxidationC
taintingD
vaporization
考题
单选题Ethanol is commonly used（）a gasoline supplement.A
forB
toC
byD
as
热门标签
最新试卷