A.TDC
B.DTC
C.BDC
D.DBC
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A.the cylinder liner
B.the cylinder cover
C.the cylinder jacket
D.the piston
A.exhaust valves
B.mechanical lubricators
C.cooling water pumps
D.fuel injection pumps
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)
最新試題
The function of diesel engine piston compression rings is to （）.
In a simple mechanical governor, the （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
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?（）
What is the function of the thrust bearing?（）
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
A diesel engine piston ring face is in direct contact with the （）.