A.changes the position of the fuel inlet ports
B.changes the length of the pump stroke
C.varies the quantity of fuel delivered
D.varies the compression of the delivery valve spring
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A.high fuel oil viscosity
B.low fuel oil temperature
C.high lube oil viscosity
D.energized glow plugs
A.Exhaust temperature
B.Lube oil level
C.Lube oil pressure
D.Water level in the expansion tank
A.maximum power at a normal load
B.maximum power and load under normal conditions
C.half speed and normal temperature
D.normal operating temperature without a load
A.lube oil temperature at the cooler outlet
B.lube oil strainer magnets bearing
C.lube oil temperature
D.lube oil pressure to the bearing
A.the pump supply pressure
B.the slope of the fuel cam
C.how the plunger is rotated
D.the number of sleeve segments engaged with the rack
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When does auxiliary burner of incinerator put into operation? （）Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish
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Which of the following items don’t belong to dock repair works?（）
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