A.erosion and cratering of the nozzle orifices
B.fuel leakage into the nozzle drain line
C.fuel leakage before and after injection
D.insufficient fuel delivery though that nozzle
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A.check cylinder lubrication
B.connect the pressure indicator pressure
C.test cylinder heads
D.connect the exhaust gas pyrometers
A.At zero load the intake manifold pressure is greater than the exhaust manifold pressure
B.At full load the intake manifold pressure and exhaust manifold pressure are equal
C.At full load the intake manifold pressure is less than the exhaust manifold pressure
D.At full load the intake manifold pressure is greater than the exhaust manifold pressure
A.increasing cooling water flow
B.increasing lube oil flow
C.dilution by fuel oil
D.adding SAE 70 oil
A.engine power losses
B.smoking due to unburned fuel
C.high exhaust temperature readings
D.all of the above
A.incorrect replacement of barrels and plungers of jerk pumps
B.overheating of the nozzle orifices
C.cracked pump housings
D.dirt in the fuel
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“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
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If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
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The treatment of the fuel oils involves storage, heating, filtering and（）
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