A.Both；and
B.Neither；nor
C.Either；or
D.Both；or
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A.An automatic
B.A transmission
C.A self-regulating
D.An interlocking
A.Doors
B.Aspirate gauzer
C.Coupling
D.Blind
A.Bulbs
B.Bulks
C.Flyweights
D.Flywheels
A．Frame
B．Bedplate
C．Cylinder
D．Liner
A.“prepare to stop the engine”
B. “assemble an engine on its bedplate”
C. “make an engine ready for starting”
D. “dismantle an engine”
最新試題
The minimum speed an engine must attain before ignition can occur depends upon （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
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 （）.
A thrust bearing is used with a propulsion diesel engine to （）.
To determine if the lube oil filter elements need changing, （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.