A.oil rings only
B.compression and scraper rings
C.cylinder liner sealings
D.cylinder liner ring grooves
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A.wrist pin bushings
B.compression rings
C.cylinder liner seals
D.cylinder liner sealing ring
A.Gasoline
B.Water
C.Lubricating oil
D.sulphur compounds
A.back clearance
B.side clearance
C.gap clearance
D.taper clearance
A.reduce fuel weight
B.increase specific gravity
C.separate fuel from lube oil
D.reduce fuel viscosity
A.valve guides
B.oil control rings
C.valve seats
D.compression rings
最新試題
The treatment of the fuel oils involves storage, heating, filtering and（）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
The main purpose of port State control is not to（）
Using a file without a handle may result in （）
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）