A.Grooves
B.Recesses
C.Ridges
D.Nips
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A.Diffusers
B.Compressors
C.Steam boilers
D.Soot blowers
A.Pneumatic pipes
B.Hydraulic pipes
C.Telescopic pipes
D.Operating gas pipes
A.The ballast system
B.The salt water system
C.The bilge system
D.The domestic system
A.A relief valve
B.An alarm
C.A pressure gauge
D.A non-maim valve
A.A top tank
B.A head tank
C.A head valve
D.A drain tank
最新試題
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
The function of diesel engine piston compression rings is to （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
In a simple mechanical governor, the （）.
Routine monitoring of a diesel engine should include （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
Lube oil cannot be efficiently filtered if its （）.
Proper filtering and straining of fuel oil is important because the （）.
In using reduction gears to obtain efficient propeller speeds, （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.