A.lube oil pumping
B.rotating rings
C.gas pressure behind the ring
D.passage of hot gases
您可能感興趣的試卷
你可能感興趣的試題
A.insufficient lubrication
B.improper piston cooling
C.blow-by
D.overload operation
A.has a crown-face
B.exceeds wear limits through normal wear
C.has excessive blow-by
D.is in good condition
A.combustion gas blow-by
B.excessive lubrication
C.properly functioning rings
D.insufficient cylinder cooling
A.Blank off the exhaust gas inlet to the damaged turbocharger
B.Secure cooling and lubrication to the damaged turbocharger
C.Lock the rotor of the damaged turbocharger
D.All of the above
A.Poor combustion
B.High cylinder oil consumption
C.Leaking exhaust valves
D.All of the above
最新試題
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
The condensers located in various stages of a flash evaporator are cooled by（）
The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）
The cetane rating of diesel fuel is an indication of the （）
Under MARPOL Code the ship to which it applies has to carry （）
The main purpose of port State control is not to（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）