Corrosion and grooving on the blade of an exhaust driven turbocharger is caused by certain components of residual fuel oilsThese components are vanadium, sodium, and＿.
相似题目
-
When good and steady service conditions have been achieved, the running surfaces of the piston rings and cylinder liner will be（）In addition, the rings will move freely in the grooves and also be well oiled intact, and not unduly worn.
-
The integrated logistics activities, equipment and information network, and so on, is called （）
-
The Silent Way, Community Language Learning, and Suggestopaedia all lay emphasis on the individual and on personal learning strategies.（）
-
In large marine diesel engines cylinder oils usually contain additives formulated to impart the （） to clean the rings and grooves.
-
Fire and abandon ship stations and duties may be found on the（）.
-
The shaft and spare parts（） should be well greased in order to avoid corrosion.
-
In a diesel engine, excessive cylinder liner wear will cause （） (1) increased blow-by (2) wear between the piston ring and groove
-
（） neutralizes the acid conditions and（） cleanses the rings and grooves.
-
The sealing function of the piston ring is brought about by the gas pressure above and behind the piston ring, which forces it （） against the bottom of the ring groove, and （） against the cylinder wall.
-
Ring groove inserts are occasionally used on aluminum alloy piston to（）
-
大沟(major groove)和小沟(minor groove)
-
To minimize corrosion, fuel oil strainer disks, spacers and scraper blades are made of （）.
-
A substance found in residual fuels which tends to cause exhaust valve corrosion and grooving, is（）
-
（） handle and instruments are on the front.
-
The bearing shell generally has （） for location and oil grooves round the center of its axial length.
-
Corrosion inhibitors and/or soluble oils are added to diesel engine cooling systems to （）
-
If the compression rings on a diesel engine piston become stuck in the ring groove, the cause may be due to（）
-
The connecting rod large end bearing shell generally has tags for location and oil grooves round the center of its axial length which correspond with grooves in the （） through which oil is transmitted up the rod to lubricate the small end.
-
In order to prevent galvanic corrosion，an aluminum boat must be insulated from the davits and gripes. Which of the following is acceptable as an insulator?（）
-
Each journal and pin should be examined for （） and grooving.
-
In “A Dill Pickle”, Mansfield expresses her view on romantic relationships and marriage, which should be based on mutual understanding, deep love, effective communication and equality between man and woman.
-
Today we talked about Business Center and focused on its service on:
-
On the way, they fired on settlers’ houses and stole about twenty _______ and six horses.
-
Corrosion inhibitors and/or soluble oils are added to diesel engine cooling systems to __________.
推荐题目
- 下面关于酒店运管七定式具体说法正确的是？（）
- 吐泻暴作，呕吐如喷，泻下如米泔水，臭秽难闻，头痛发热，口渴，脘闷心烦，小便黄赤，腹中绞痛，甚则转筋拘挛，舌苔黄腻，脉濡数。应辨证为（）
- 新课改整体设计九年一贯的义务教育课程，初中阶段设置（）的课程。
- 信必可是世界上第一个获得哪个适应症的产品（）
- 飞机的迎角是（）
- 利用电脑打印设备伪造的假钞，其仿真度有高有低，种类繁多，这种假钞叫（）。
- 高血压、心血管疾病、高胆固醇的患者应给（）的饮食。
- 形成演讲的高潮方法（）
- 如下哪些是SDH设备可以支持的保护类型？（)
- 根据《跟单信用证统一惯例》（《UPC500》)规定，在金额、数量和单价前有约的词语，应解释为有（)的增减幅度。