A.exhaust valves
B.mechanical lubricators
C.cooling water pumps
D.fuel injection pumps
您可能感興趣的試卷
你可能感興趣的試題
A.throughput
B.back pressure
C.gravity disc
D.None of the above is wrong
A.scale
B.sludge
C.chemicals
D.air
Exhaust temperature increases in all cylinders, the possible cause may be（）
(1) increased scavenging air temperature
(2) air in fuel pumps and fuel valves
(3) fouling of air and gas passages
A.(1)+(2)
B.(1)+(3)
C.(2)+(3)
D.(1)+(2)+(3)
A.loss of flow in the fuel system
B.loss of pressure in the air system
C.loss of flow in the lubricating system
D.loss of pressure in the lubricating system
A.the viscosity index
B.the fuel oil contents
C.the starting speed
D.the reading at the rack
最新試題
Diesel engine control can be obtained by the bridge （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
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 （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
In a simple mechanical governor, the （）.
The function of diesel engine piston compression rings is to （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
Maximum horsepower of a diesel engine is attained （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.