A.open late and close early
B.open late and close late
C.fail to open when the engine is cold
D.fail to open at normal operating temperature
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A.camshaft beatings
B.main bearings
C.piston crowns
D.cylinder walls
A.the highest point in the system
B.the lowest point in the system
C.near the floor
D.plate level or near the tank top level
A.banjo feed
B.splash feed
C.gravity feed
D.pressure feed
A.stiffen the bedplate in way of the main bearings to increase the engines longitudinal strength
B.accept most of the tensile loading that results from the firing forces developed during operation
C.mount the engine frame securely to the hull to prevent shaft coupling misalignment
D.connect the crosshead solidly to the piston rod
A.cam followers
B.push rods
C.combustion gases
D.valve springs
最新試題
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
To determine if the lube oil filter elements need changing, （）.
Combustion knock occurring in a diesel engine can be caused by （）.
The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
A diesel engine piston ring face is in direct contact with the （）.
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
Diesel engine control can be obtained by the bridge （）.