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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When fuel oil has seriously contaminated a diesel engine lubricating oil, you should ().
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to ().
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a ().
In using reduction gears to obtain efficient propeller speeds, ().
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?()
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in ().
Proper filtering and straining of fuel oil is important because the ().
Diesel engine control can be obtained by the bridge ().
In a simple mechanical governor, the ().
To determine if the lube oil filter elements need changing, ().