A、A.employing fuel oil as a cooling medium
B、B.preventing hard carbon deposit on nozzle tips
C、C.avoiding fuel oil temperature exceeding builder’s specification
D、D.ensuring good metallic contact between nozzles and cylinder heads
更多“Heat damage to fuel injection nozzles on small high-speed diesel engines, can be prevented by（）”相关的问题
A、burning jet fuel running on to quarters or other areas B、loss of stability C、rotating and flying debri D、heat damage to helicopter structure
A、excessive fuel oil temperature B、long periods of engine overload C、metallic contact between nozzles and cylinder heads D、hard carbon deposit and varnish on the nozzles
A、A.To prevent internal damage form local overheating B、B.To ensure the fuel nozzles are flushed clean C、C.To clear the smoke stack D、D.To let the waste heat boiler reduce its rate of steam generation
A、A.the burning of the fuel； medium shaft B、B.fuel spray； fresh air C、C.fuel； fuel spray D、D.the burning of the fuel； the burned gas mixture
A、heat, gas, and flames B、fuel, heat, and oxygen C、heat, nitrogen, and fuel D、fuel oil, nitrogen, and oxygen
A、an air bound fuel system B、damage to cylinder heads and pistons C、excessive fuel injection D、excessive air valve lift
A、prevent heat corrosion to internal components B、increase fuel delivery rate and economy C、prevent pre-ignition D、avoid carbonization of the nozzle tips
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