A.the information
B.the formation
C.the scatter
D.the friction
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A.the cylinder weight
B.the cylinder bore
C.the cylinder length
D.the cylinder cover
A.density
B.bore
C.weight
D.material
A.steel guides
B.steel shells
C.steel bearing caps
D.pig iron
A.flange
B.flash
C.plate
D.sheet
A.main bearing shells
B.main bearing
C.steel
D.bearing metal
A.inside the bearing
B.outside the bearing
C.covering the crankshaft
D.none of the above
A.seized
B.clogged
C.melted
D.inserted
A.sufficient quantity； measured
B.measured quantity；sufficient
C.excessive quantity；sufficient
D.the less quantity the better；the more the better
A.atmosphere
B.the fresh water
C.compressed air
D.chemical compounds
A.a filter
B.a strainer
C.a magnetic filter
D.a fine strainer
最新试题
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
Routine monitoring of a diesel engine should include （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
The function of diesel engine piston compression rings is to （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
A thrust bearing is used with a propulsion diesel engine to （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）