海船船员考试
单选题Oil is supplied to the cylinder wall and （） by means of mechanical lubricators.A the cylinder coverB the piston ringsC the piston crownD the piston skirt
题目
the cylinder cover
the piston rings
the piston crown
the piston skirt
参考答案和解析
相似问题和答案
第1题：
If clearance between a piston and the cylinder wall is excessive, piston slap will occur. The slap itself is caused by_____.
A.alternation of side thrust
B.a breakdown of the lube oil film on the cylinder
C.worn piston boss piston pin bearings
D.fluctuating gas pressure in tile combustion space
第2题：
provide a reservoir for cylinder lubrication
pump oil into the combustion space for cylinder cooling
prevent excessive lubricating oil consumption
allow hydraulic oil film formation on the cylinder
第3题：
Before engaging the turning gear and turning the diesel engine, which of the following operation should be done except______.
A.open the indicator cocks
B.supply some CYL.Oil to cylinder liner wall with lubricator (only for two stoke diesel engine)
C.put the fuel handle in the "stop" position
D.pump up the air bottle
第4题：
mechanical lubricator
lubrication function
forced feed system
bearing lubrication
第5题：
additives
water
grease
acid solution
第6题：
turbocharger
injection nozzle tip
carburetor
fuel oil pump
第7题：
prevent any lubricant from reaching
prevent excessive lubrication from reaching the combustion space
Provide metal-to-metal contact to seal the cylinder against blow-by
assure a positive means of scraping carbon accumulation from the cylinder
第8题：
The common method of applying oil to the cylinder walls is by means of small pump assembled in units, known as
A.mechanical lubricator
B.lubrication function
C.forced feed system
D.bearing lubrication
第9题：
the motor
the fresh water generator
the governor
the fuel pump
第10题：
are interdependent
are not interdependent
have nothing to do with each other
are independent