A.Internally finned liner
B.Externally finned liner
C.Wet liner
D.Integral water-jacket liner
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A.the water produced during combustion
B.the sulfur in the fuel
C.unburned fuel oil
D.all of the above
A.early injection timing
B.worn orifices in the injection nozzles
C.worn or scored cylinder liners
D.using a fuel with too low of a cetane number
A.during the valve overlap period
B.with only the exhaust valve open
C.at a pressure below atmospheric
D.without cooling the cylinders or pistons
A.excessive piston to liner clearance
B.excessive dirt beneath the piston crown that reduces heat transfer
C.faulty nozzle spray
D.all of the above
A.an increased flash point
B.higher lube oil pressures
C.an increased viscosity
D.lower lube oil pressures
最新試題
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
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.
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
The treatment of the fuel oils involves storage, heating, filtering and（）
Cold weather starting of a diesel engine may be made easier by（）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
Diesel engine air start system check valves are opened by （）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）