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
您可能感興趣的試卷
你可能感興趣的試題
A.cavitation erosion in the water jackets
B.excess corrosion inhibitor in the coolant
C.dirty jacket water cooler
D.defective turbocharger
A.Increased turbulence
B.increased mechanical efficiency
C.Increased brake mean effective pressure
D.All of the above
A.high exhaust temperature
B.low exhaust temperature
C.fuel knock in each cylinder
D.mechanical knock in each cylinder
A.sea water temperature must never be warmer than 40℃
B.jacket water pressure should always be greater than the sea water pressure
C.jacket water temperature must always be less than 60℃
D.jacket water pressure must always be less than the sea water pressure
In a medium speed diesel engine, a trunk type piston may be cooled by（）
Ⅰ.oil circulation though passages in the piston crown
Ⅱ.heat transfer through piston rings and liner wall
A.Ⅰ only
B.Ⅱ only
C.either Ⅰ or Ⅱ
D.neither Ⅰ or Ⅱ
最新試題
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
The cetane rating of diesel fuel is an indication of the （）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
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.
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）