A.wide compression rings are used
B.oil rings are located above the piston
C.chromium plating is used on all piston rings
D.oil rings are located near the bottom of the piston skirt
您可能感興趣的試卷
你可能感興趣的試題
A.runs out of fuel
B.has low lubricating oil pressure
C.exceeds a set maximum speed
D.has high cooling water temperature
A.prevent any lubricant from reaching
B.prevent excessive lubrication from reaching the combustion space
C.Provide metal-to-metal contact to seal the cylinder against blow-by
D.assure a positive means of scraping carbon accumulation from the cylinder
A.Dull black appearance
B.Bright appearance
C.Thin layer of lacquer
D.Thick oily film
A.noise coming from that air starting valve
B.continuous operation of the starting air compressor
C.zero air pressure in the air starting system
D.overheated starting air pipe to the cylinder head
A.stop the engine by cutting off the cooling water supply
B.stop the engine by closing the air intake
C.slow the engine but not stop it
D.slow the engine to half of normal load
最新試題
To proceed to the assistance of a ship in distress is（）
The main purpose of port State control is not to（）
The ISPS Code consists of a mandatory section-Part A, which shows（）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
The condensers located in various stages of a flash evaporator are cooled by（）