A.the cylinder liner
B.the cylinder cover
C.the cylinder jacket
D.the piston
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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)
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
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Combustion knock occurring in a diesel engine can be caused by （）.
Lube oil cannot be efficiently filtered if its （）.
Routine monitoring of a diesel engine should include （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
A thrust bearing is used with a propulsion diesel engine to （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
The main purpose of the piston oil scraper rings is to （）.
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）