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发布时间:2023-10-21 09:17:29

[单项选择]Engine parameters shall be corresponded to NOx Technical Files,This is required by()
A. MARPOL Annex Ⅲ
B. MARPOL Annex Ⅵ
C. MARPOL Annex Ⅴ
D. MARPOL Annex Ⅳ

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[单项选择]Engine parameters shall be corresponded to NOx Technical Files. This is required by ()
A. MARPOL Annex Ⅲ
B. MARPOL Annex Ⅵ
C. MARPOL Annex Ⅴ
D. MARPOL Annex Ⅳ
[单项选择]A power-driven vessel shall have her engine ready for()when the visibility is restricted.
A. immediately stop
B. immediately maneuvering
C. immediately anchoring
D. immediately going astern
[单项选择]() shall be continuously powered and shall have an automatic changeover to a stand by power supply in case of loss of normal power supply.
A. Cooling system
B. Alarm system
C. The air conditioning installation
D. The mooring equipment
[单项选择]汽车尾气中Nox化合物对人和环境的危害较大,因而在目前的汽车上采用了若干限制Nox排放物的措施,请问下面所列举的控制措施中哪种与Nox排放物的控制无关?()
A. 三元催化转换器、氧传感器和闭环控制
B. 废气再循环控制
C. 氮氧催化转换器
D. 曲轴箱强制通风
[单项选择]根据对NOx的形成机理研究,生成NOx浓度最小的燃烧室型式是()。
A. 开式
B. 半开式
C. 半分隔式
D. 分隔式
[单项选择]A diesel engine is similar to a gasoline engine except that the former has no ().
A. cross-head
B. cylinder
C. connecting rod
D. spark plug
[单项选择]稀燃Nox捕集器的缩写为()
A. POC
B. CRT
C. LNT
D. PM
[单项选择]Before starting an engine by air, the engine must()
A. be turned by a turning gear for at least one minute
B. be turned by a turning gear for at least two minutes
C. be turned at least one complete turn
D. be turned at least two complete turns
[单项选择]Engine coolant accumulating in the diesel engine lubricating oil can result from a ()
A. low oil pressure
B. high coolant pressure
C. leaking fuel injector
D. cracked cylinder head or liner
[简答题]简述降低NOX含量的主要措施。
[简答题]NOx(氮氧化合物)的产生如何控制?
[单项选择]发动机燃烧温度高,NOX排放量应()。
A. 增加
B. 减少
C. 影响不大
D. 保持不变
[单项选择]The ladder shall().
A. be secured in a position so that it rests firmly against the ship's side from which the discharge operations are carried out
B. have at least two replacement steps which are secured in position by a method different from that used in the original construction
C. have battens made of hardwood,or other material of equivalent properties,in one piece and not less than 1.80metres long provided at such intervals as will prevent the pilot ladder from twisting
D. have steps made of softwood,or other material of equivalent properties,made in one piece free of knots,having an efficient slip surface
[单项选择]Before starting a diesel engine that has an engine driven lube oil pump, the engineer should ().
A. open the bypass line
B. cut in the lube oil cooler
C. pressurize the lube oil system
D. top off the expansion tank
[多项选择]锅炉炉膛内产生NOx的原因有以下哪些()。
A. 燃料型式
B. 热反应型式
C. 瞬时反应型式
[多项选择]NOx生成必须满足的条件包括()
A. 高温
B. 富氧
C. 高压
D. 混合气很浓
E. 燃烧速度快
[单项选择]NOx中的成分包括()等。
A. NO、CO
B. NO、NO2
C. N2O、CO
D. NO2、CO
[单项选择]点火时间推迟,NOX会()。
A. 降低
B. 升高
C. 不变
D. 时高时低

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