A . clogged filters
B . poor combustion
C . overloading of the diesel
D . shock of fuel line
[单选题]The fuel oil system for a diesel engine can be considered in two parts--the fuel supply and the () systems.A . fuel treatmentB . fuel combustionC . fuel injectionD . fuel separating
[单选题]In a typical fuel oil system, the oil is stored in tanks in the double bottom from which it is pumped to () and heated.A . a service tankB . a collecting tankC . a sumpD . a settling tank
[单选题]In a typical fuel system, the oil is stored in () in the double bottom.A . setting tanksB . service tanksC . tanksD . drain tank
[单选题]In a commonly used fuel oil system, the oil is stored in tanks in the double bottom from which it is pumped to () and heated.A . a service tankB . a settling tankC . an expansion tankD . a double bottom tank
[单选题]In a diesel engine lube oil system, which of the following parts should be lubricated first?()A . Camshaft beatingsB . Main bearingsC . Piston crownsD . Cylinder wall
[单选题]The quality of the fuel oil and lube oil (), Im afraid.A . has much to do with the operation of the engine and its lifeB . have much to do with the operation of the engine and its lifeC . has much doing with the operation of the engine and its lifeD
[单选题]Fuel injectors used in heavy fuel oil systems are usually provided with cooling to reduce().A . cold corrosion of the nozzlesB . fuel viscosity for better atomizationC . carbon accumulation on the nozzlesD . fuel detonation in the cylinder
[单选题]If there is water in fuel oil, the revolution of the engine will ().A . decreaseB . increaseC . be dismantledD . be reassembled
[单选题]On a diesel engine, fuel is delivered into the combustion space by ().A . a cooling systemB . a lubrication oil systemC . an electric systemD . an injection system
[单选题]In an ordinary diesel engine the fuel injection begins ()A . after TDCB . before TDCC . after BDCD . before BDC