A.the formation of sulfuric acid
B.a decrease in lube oil viscosity
C.a decrease in cooling water pH
D.a thermostat failure
您可能感興趣的試卷
你可能感興趣的試題
A.increased fuel consumption
B.increased feed water consumption
C.fuel pump failure
D.combustion control system failure
A.Injection pressures
B.Control air supply pressure
C.Cooling water flow through after-coolers
D.Lube oil temperature
A.treating with oxygen scavengers
B.securing the boiler and giving it a blowing down
C.increasing the pH
D.reducing the phosphate level
A.caustic embrittlement of the boiler metal
B.acidic corrosion of the boiler metal
C.hard scale deposits on the boiler tubes
D.etching of the heat exchange surfaces
A.assist in a quick cutoff of fuel injection
B.allow oil backflow from the injector to the helix
C.reduce fuel oil pressure between injection strokes
D.meter the quantity of fuel delivered
最新試題
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
The highest pressure in a diesel engine cylinder normally occurs （）.
In a simple mechanical governor, the （）.
Lube oil cannot be efficiently filtered if its （）.
The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）
Routine monitoring of a diesel engine should include （）.
Diesel engine control can be obtained by the bridge （）.