A.top of the ring groove
B.cylinder liner oil film
C.bottom of the ring groove
D.back of the ring groove
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A.loss of suction in the circulating pump
B.leak in the primary cooling system
C.broken raw water pump shaft
D.burned or cracked piston in one cylinder
A.centrifugal force rotates the ball-head
B.flyweight centrifugal force is balanced by spring force
C.flyweight centrifugal force is balanced by hydraulic pressure
D.speeder spring alone actuates the fuel control rod
A.sensitivity
B.stability
C.promptness
D.speed droop
A.Prevents lateral movement of the slow speed gear
B.Transmits propeller thrust to the hull
C.Keeps spring bearings in line
D.Prevents main reduction gear axial movement
A.under high pressure
B.under low pressure
C.heated to reduce viscosity
D.cooled to increase viscosity
最新試題
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
In a simple mechanical governor, the （）.
Routine monitoring of a diesel engine should include （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
What is the function of the thrust bearing?（）
Proper filtering and straining of fuel oil is important because the （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
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 （）.