A. aluminum-plated
B. bronze-plated
C. zinc-plated
D. chromium-plated
[单选题]In order to increase the wearing resistance, the cylinder liner surfaces are sometimes ().A . aluminum-platedB . bronze-platedC . zinc-platedD . chromium-plated
[单选题]The cylinder head, cylinder liner and () form the combustion chamber.A . frameB . pistonC . crankcaseD . explosion plate
The spaces in the cylinder head and the space between the cylinder jacket 1 and
[单选题]The space between cylinder liner and jacket is called _____.A.the cooling waterB.the circulating waterC.the coolerD.the cooling water space
[单选题]E.ach cylinder liner on the marine medium speed engines _____.A.is usually cooled by sea waterB.can be replaced when worn outC.is in direct contact with the water in the bore of the cylinderD.can t expand when heated
[单选题]A. crack in a cylinder liner can be caused byA.worn piston ringsB.installation of undersized sealing ringsC.operating the engine at low loadsD.restricted cooling water passages
[单选题]The space between cylinder liner and jacket is called ().A . the cooling waterB . the circulating waterC . the coolerD . the cooling water space
[单选题]Cylinder liner cooling is often referred to as ().A . piston coolingB . sleeve coolingC . central coolingD . jacket cooling
[单选题]Each cylinder liner on the marine medium speed engines ().A . is usually cooled by sea waterB . can be replaced when worn outC . is in direct contact with the water in the bore of the cylinderD . can t expand when heated
[单选题]I tried to remember to put everything in good order, but I sometimes forgot