A.checking for leaks
B.checking temperatures and pressures
C.listening for abnormal noises
D.all of the above
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A.reduce the engine load
B.increase the cooling water flow
C.increase the lube oil pressure
D.adjust the fuel rack
A.prevent piston side thrust
B.prevent engine friction losses
C.transmit heat from the piston to the cylinder liner
D.remove oil from the cylinder combustion space
A.top of the ring groove
B.cylinder liner oil film
C.bottom of the ring groove
D.back of the ring groove
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
最新試題
In a simple mechanical governor, the （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
White smoke exhausting from an operating diesel engine may indicate （）.
Lube oil cannot be efficiently filtered if its （）.
The main purpose of the piston oil scraper rings is to （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.