单选题On a large diesel engine installation, crankshaft axial alignment is maintained by the （）Apiston rod guidesBengine thrust bearingCcrosshead bearingDmain shaft flexible coupling
单选题
On a large diesel engine installation, crankshaft axial alignment is maintained by the （）
A
piston rod guides
B
engine thrust bearing
C
crosshead bearing
D
main shaft flexible coupling
参考解析
解析：
暂无解析
相关考题：
单选题What is the term given to the process of breaking up fuel oil into very fine particles for better combustion?（）ASettlingBStrainingCSprayingDAtomizing
单选题下列观点正确的有哪个（）。A当机动船对位于右舷正横后的机动船是否在追越本船持有任何怀疑时，应假定两船为交叉相遇局面B当对本船是否正在追越前船持有任何怀疑时，断定不是在追越中C当对本船的责任有怀疑时，应把本船当做直航船D当对位于本船右舷正横后的船舶是否在追越本船有任何怀疑时，应假定后船是在追越中
单选题按照MSC192（79）雷达性能标准规定，雷达系统应能够接收来自（）传感器的数据。ATHD、SDME、EPFS、AISBTHD、SDME、EPFS、AIS、ECDISC陀螺罗经、计程仪、GPS、目标船舶D所有航海仪器
单选题考虑船体变脏后，船舶遇到恶劣气象、复杂海况及不同水域时船舶阻力增加，为了使船舶在各种航行条件下发动机不超负荷，在船上主机的服务功率比标定功率低，这种储备称（）。A船舶功率储备B动力装置功率储备C发动机工作储备D船体工作储备
单选题The salvage contract whereby the salvor is entitled to no award if the salvage services are unsuccessful is termed（）.ANo cure-no payBNon-contract salvageCA non-salvage serviceDNone of the above
单选题A warp end may be fitted for operating the derrick topping wire which adjusts the derrick （）.AlengthBslackCheightDrotation direction
单选题The International Oil Pollution Prevention Certificate is valid for a period of （）.Aone year from the date of issueBtwo years from the date of issueCthree years from the date of issueDfour years from the date of issue
单选题What is the substance called which can readily be converted from a liquid into a vapor, and also from a vapor into liquid with a reasonably narrow range of pressure?（）ARefrigeratorBRefrigerantCCooling mediumDBrine
单选题UG8表盘式液压调速器的恒速反馈机构主要由下列部分组成（）。 Ⅰ.大反馈活塞 Ⅱ.小反馈活塞 Ⅲ.伺服活塞节 Ⅳ.补偿针阀 Ⅴ.反馈指针 Ⅵ.控制滑阀AⅠ＋Ⅱ＋Ⅲ＋ⅤBⅡ＋Ⅲ＋Ⅳ＋ⅥCⅠ＋Ⅱ＋Ⅳ＋ⅤDⅡ＋Ⅳ＋Ⅴ＋Ⅵ
单选题编写修理单的要求规定，必须写清楚的是（）。 Ⅰ、工程规格、工程价格 Ⅱ、工程内容，工程要求 Ⅲ、设备制造厂的名称AⅠ+ⅡBⅠ+ⅢCⅡ+ⅢDⅠ+Ⅱ+Ⅲ