crosshead
crankpin
crank journal
gudgeon pin
第1题：
The oil control rings will seal improperly and wear rapidly
The piston will overheat due to insufficient lubrication
Excessive oil will remain on the cylinder wall
Light brown smoke will emanate from the engine exhaust
第2题：
is coming upward；cylinder ring belt
is going downward；piston ring belt
is coming upward；piston ring belt
is going downward；cylinder ring belt
第3题：
In an engine with a pot-shaped piston, some lubricating oil from the main bearing will pass along a drilled passage in the crankshaft to the bottom end bearing and then up a connection rod to the
A.crosshead
B.crankpin
C.crank journal
D.gudgeon pin
第4题：
The chromium will not wear out the piston rings
The chromium strengthens the liners in the way of the scavenging air ports
Chromium eliminates the need for oil scraper rings
Pores in the plating aid in maintaining the lube oil film
第5题：
clogged lube oil piping
excessive valve-guide clearance
high lube oil viscosity
low lube oil temperature
第6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7题：
oil spray
oil bath
oil control rings
drilled passage through the camshaft
第8题：
In an auxiliary diesel engine bypass type lubricating oil system, the main lube oil pump forces_______ .
A.all of the oil used by the engine through a filter
B.some of the oil used by the engine through a filter
C.some of the oil used by the engine through a centrifuge
D.all of the oil used by the engine through a centrifuge
第9题：
telescopic pipes
large bore
drilled passage
tied rod
第10题：
filter to remove the fuel oil
use the settler to remove the fuel oil
remove the fuel oil by centrifuging
drain and then renew the lube oil supply