A.chromed
B.welded
C.galvanized
D.bolted
您可能感興趣的試卷
你可能感興趣的試題
A.a high exhaust temperature
B.a high smoky exhaust
C.a high output
D.a high compression
A.packings
B.piston rings
C.distributor rings
D.scraper rings
A.bridges
B.recesses
C.rears
D.ridging
A.is usually cooled by sea water
B.can be replaced when worn out
C.is in direct contact with the water in the bore of the cylinder
D.can t expand when heated
A.cylinder liner
B.coupling flange
C.cylinder cover
D.piston crown
最新試題
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
Proper filtering and straining of fuel oil is important because the （）.
The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
Lube oil cannot be efficiently filtered if its （）.
What is the function of the thrust bearing?（）
A diesel engine piston ring face is in direct contact with the （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.