可学答题网 > 问答 > 船舶动力装置题库,海船船员考试题库
目录: 标题| 题干| 答案| 搜索| 相关
问题

A diesel engine piston ring face is in


A diesel engine piston ring face is in direct contact with the ().

  • Atop of the ring groove
  • Bcylinder liner oil film
  • Cbottom of the ring groove
  • Dback of the ring groove
参考答案
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、Excessive piston ring wear in a diesel

Excessive piston ring wear in a diesel engine will cause()Ahigh lube oil viscosityBincreased lube oil consumptionClow lube oil temperaturesDhigh firing pressure

2、In a four-cycle diesel engine piston b

In a four-cycle diesel engine piston blow-by can result in increased()Acrankcase pressureBcompression pressureCscavenge pressureDexhaust manifold pressure

3、Piston compression rings used in a die

Piston compression rings used in a diesel engine function to ()Atransfer heat from the cylinder to the pistonBscrape oil from the sides of the pistonCseal the combustion space from the crankcasesDprevent any piston contact with the cylinder liner

4、The lowest ring of a piston is ().

The lowest ring of a piston is ().Aa coil springBa sealing ringCan oil distributor ringDmain seal ring

5、In a diesel engine, blow-by is a resul

In a diesel engine, blow-by is a result of combustion gases leaking into the crankcase past the ()Awrist pin bushingsBcompression ringsCcylinder liner sealsDcylinder liner sealing ring

6、In a diesel engine, when the fuel is i

In a diesel engine, when the fuel is injected into the cylinder,()Athe piston is just coming upward from the bottom dead centerBthe piston h...