A.advanced nautical equipment
B.advanced performance main engines
C.emergency equipment
D.communication and language skills
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A.the clearance of the main bearing
B.the diameter of main bearing
C.the gap of main beating
D.the tolerance of main bearing
A.damage
B.form
C.dissolve
D.contaminate
A.strength
B.dense
C.percentage
D.velocity
A.the pulse-phase system
B.the pulse Doppler system
C.the pulse system
D.the pulse interval
A.more than the working temperature
B.less than the working temperature
C.the working temperature
D.the same as the surrounding temperature
最新試題
The minimum speed an engine must attain before ignition can occur depends upon （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
Combustion knock occurring in a diesel engine can be caused by （）.
A diesel engine piston ring face is in direct contact with the （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
A thrust bearing is used with a propulsion diesel engine to （）.
Proper filtering and straining of fuel oil is important because the （）.