For one or two types of engine,the piston and rod can be withdrawn downwards from the cylinder into the crankcase and then out through （）.
- Athe cylinder cover
- Bthe bottom of bed-plate
- Cthe sump
- Dthe crankcase door
问题
For one or two types of engine,the pis
参考解析：
分类：船舶动力装置题库,海船船员考试题库
相关推荐
-
1、One end of a cylinder for a medium or
One end of a cylinder for a medium or high-speed diesel engine is sealed by the piston and rings, the other end is sealed by the （）AcrankcaseBcylinder headCvalve coverDengine frame
-
2、In some type of two-stroke engines, be
In some type of two-stroke engines, besides some small holes for（）, starting valve, safety valve, indicator cock, and central opening in each...
-
3、The marine diesel engine is a type of
The marine diesel engine is a type of diesel engine used on ships The （） of its operation is not very difficult to understand.AprincipleBprincipalCcauseDcase
-
4、The two main types of load cells used
The two main types of load cells used in mooring tension gauges are（）.Adistortion and compressionBhydraulic and mechanicalCmagnetic and applied torqueDfrictionless and hydraulic
-
5、One of the purposes for water cooling
One of the purposes for water cooling the exhaust manifold in marine diesel engine is to （）Areduce lube oil temperatureBraise exhaust temperature reduceCexcessive heating of engine roomDreduce load on cooling water pum
-
6、One of the reasons for the growth of p
One of the reasons for the growth of population in Florida is because of its（）Aexpanding economyBlarge number of Cuban-AmericansCclimateDexotic food