A.effective cylinder scavenging and cooling
B.constant pressure from the turbochargers
C.cooler operation of the exhaust system
D.effective constant pressure for turbocharger operation
您可能感興趣的試卷
你可能感興趣的試題
A.Lubrication
B.Cooling
C.Fuel
D.Electric ignition
A.overloading the engine
B.low exhaust valve lift
C.excessive cylinder cooling
D.insufficient mechanical clearance
A.exhaust manifold
B.valve bridge
C.pressure of the fresh air charge
D.valve adjusting gear
A.excessive compression pressure
B.air in the fuel lines
C.high fuel pressure
D.excessive load
A.reduce lube oil temperature
B.raise exhaust temperature reduce
C.excessive heating of engine room
D.reduce load on cooling water pump
最新試題
If separating effect is not good, which measure should be taken （）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
Which of the following items don’t belong to dock repair works?（）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
Diesel engine air start system check valves are opened by （）
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
The treatment of the fuel oils involves storage, heating, filtering and（）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
Flame failure in an automatically fired auxiliary boiler can from a/an （）