Each piston stuffing box is provided with two sealing rings and three（）
- Apackings
- Bpiston rings
- Cdistributor rings
- Dscraper ring
问题
Each piston stuffing box is provided w
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、On top of scavenging air box is mounte
On top of scavenging air box is mounted a strong cast iron frame for each cylinder known as（）Acooling jacketBcylinder linerCpiston crownDcylinder cover
-
2、（） is sometimes used for piston coolin
（） is sometimes used for piston cooling since leaks into the crankcase would not cause problems.ADiesel oilBHydraulic oilCLube oilDMineral oil
-
3、The lowest ring of a piston is （）.
The lowest ring of a piston is （）.Aa coil springBa sealing ringCan oil distributor ringDmain seal ring
-
4、The lower end of each piston rod is re
The lower end of each piston rod is reduced in diameter to fit a bore in （）, this being secured to the piston rod by a nut.Athe crank-webBthe connecting rodCthe main bearingDthe cross-head
-
5、The lower end of each piston rod is re
The lower end of each piston rod is reduced in diameter to fit a bore in the （）, this being secured to the piston rod by a nut.Apiston gudgeon pinBpiston skirtCcross-headDcross-head pi
-
6、⑥We are considering providing each o
⑥We are considering providing each of our sales representatives with an eight-digit electronic calculator. Last week I saw a demonstration of ...