Cross scavenging requires the fitting of （） to prevent air or exhaust gas escape when the piston is at the top of the stroke.
- Aa exhaust valve
- Ba piston skirt
- Ca piston crown
- Dan air suction valve
问题
Cross scavenging requires the fitting
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、If a scavenge fire starts, the engine
If a scavenge fire starts, the engine must be put to “（）” and the fuel must be taken off the cylinders affected by the fire.Astop engineBfinished with engineCdead slow aheadDdead slow aster
-
2、To avoid scavenge fires occurring the
To avoid scavenge fires occurring the engine timing and equipment maintenance （）.Ashould be correctly carried outBshould correctly be taken placeCshould carded with careDmust to carry out with great care
-
3、The scavenge air receiver is of a simp
The scavenge air receiver is of a simplified and modular design with integral non-return flaps, hanging cooler and two auxiliary air blowers（）AdozensBparcelsCbundlesDgallo
-
4、The process of scavenging a two-stroke
The process of scavenging a two-stroke/cycle diesel engine serves to（）Aimprove fuel flow volumeBcool the exhaust valvesCreduce the intake air charge densityDincrease the temperature of exhaust gase
-
5、In which of the scavenging methods lis
In which of the scavenging methods listed will the exhaust valve be located in the cylinder head?（）AReturn-flowBUniflowCCross-flowDDirect flow
-
6、The process of loop scavenge is that t
The process of loop scavenge is that the exhaust will be via ports （） the air ports and controlled by the same piston.AbehindBfar fromCadjacent toDin front of